OSDN Git Service

* passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-10  Jan Hubicka  <jh@suse.cz>
2
3         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
4         encoders.
5         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
6         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
7         (lto_streamer_cache_create): Init alloc pool.
8         (lto_streamer_cache_delete): Free alloc pool.
9         * lto-streamer.h: Include alloc pool.
10         (lto_streamer_cache_d): Use alloc pool.
11         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
12
13 2010-05-10  Jan Hubicka  <jh@suse.cz>
14
15         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
16         * cgraphbuild.c: Include except.h
17         (record_type_list, record_eh_tables): New function.
18         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
19
20 2010-05-10  Jan Hubicka  <jh@suse.cz>
21
22         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
23         __frame_dummy_init_array_entry, force_to_data): Attribute as used
24         rather than unused.
25
26 2010-05-10  Michael Matz  <matz@suse.de>
27
28         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
29         (can_reassociate_p): Use FLOAT_TYPE_P.
30         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
31         (vect_force_simple_reduction): ... this.
32         * tree-parloops.c (gather_scalar_reductions): Use
33         vect_force_simple_reduction.
34         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
35         vect_is_simple_reduction, add modify argument, if true rewrite
36         "a-b" into "a+(-b)".
37         (vect_is_simple_reduction, vect_force_simple_reduction): New
38         functions.
39         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
40
41 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
42             Vladimir Makarov  <vmakarov@redhat.com>
43
44         PR rtl-optimization/44012
45         * ira-build.c (remove_unnecessary_allocnos): Nullify
46         regno_allocno_map of the removed allocno.
47
48 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
49
50         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
51         to /dev/null.
52         * configure: Regenerate.
53
54 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
55
56         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
57         unused.
58         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
59         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
60         support in Sun ld.
61         * configure: Regenerate.
62
63 2010-05-10  Richard Guenther  <rguenther@suse.de>
64
65         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
66         marked if the entry identifier is marked.
67
68 2010-05-10  Richard Guenther  <rguenther@suse.de>
69
70         * c-common.c (struct c_common_attributes): Add fnspec attribute.
71         (handle_fnspec_attribute): New function.
72         * gimple.h (gimple_call_return_flags): Declare.
73         (gimple_call_arg_flags): Likewise.
74         * gimple.c (gimple_call_arg_flags): New function.
75         (gimple_call_return_flags): Likewise.
76         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
77         New argument flags.
78         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
79         return value flags.
80         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
81         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
82         main work to ...
83         (make_heapvar_for): ... this new function.
84         (handle_rhs_call): Handle fnspec attribute argument specifiers.
85         (handle_lhs_call): Likewise.
86         (find_func_aliases): Adjust.
87
88 2010-05-10  Richard Guenther  <rguenther@suse.de>
89
90         PR tree-optimization/44050
91         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
92
93 2010-05-10  Wei Guozhi  <carrot@google.com>
94
95         PR target/42879
96         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
97
98 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
99
100         PR c/10676
101         * c-typeck.c (lookup_field): Take a type directly.  Update
102         recursive calls.
103         (build_component_ref): Update call to lookup_field.
104         (set_init_label): Use lookup_field to find initialized field.
105         Handle returned list of fields like a sequence of designators.
106
107 2010-05-09  Richard Guenther  <rguenther@suse.de>
108
109         PR middle-end/44024
110         * fold-const.c (tree_single_nonzero_warnv_p): Properly
111         handle &FUNCTION_DECL.
112
113 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
114
115         PR c/4784
116         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
117         structures and unions recursively.
118         (detect_field_duplicates): Move duplicate detection with a hash to
119         detect_field_duplicates_hash.  Always use a hash if anonymous
120         structures or unions are present.
121         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
122         give errors.
123
124 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
125
126         PR target/44046
127         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
128         detect Atom, Core 2 and Core i7.
129
130 2010-05-09  Richard Guenther  <rguenther@suse.de>
131
132         * gcc.c (store_arg): Handle temporary file deletion for
133         joined arguments.
134
135 2010-05-09  Richard Guenther  <rguenther@suse.de>
136
137         PR middle-end/44043
138         * ipa-inline.c (estimate_function_body_sizes): Return after
139         disregarding inline limits.
140
141 2010-05-09  Richard Guenther  <rguenther@suse.de>
142
143         * gcc.c (store_arg): Revert last change.
144
145 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
146
147         PR middle-end/28685
148         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
149         (optimize_ops_list): Call it.
150
151 2010-05-08  Richard Guenther  <rguenther@suse.de>
152
153         PR tree-optimization/44030
154         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
155         NECESSARY flag if we propagate from a inserted expression.
156
157 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
158
159         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
160         domain types as equal if they are both PLACEHOLDER_EXPRs.
161
162 2010-05-08  Richard Guenther  <rguenther@suse.de>
163
164         * lto-wrapper.c (run_gcc): Remove linker output from
165         command line for LTRANS invocation.
166
167 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
168
169         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
170         lto-macho as lto_binary_reader.
171         * target.h (struct gcc_target): New hooks lto_start and lto_end.
172         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
173         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
174         in lto_start and lto_end calls.
175         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
176         magic numbers.
177         (scan_prog_file): Update is_elf_or_coff call.
178         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
179
180         * collect2.c (main): Fix enum comparison.
181
182         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
183         Add prototypes.
184         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
185         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
186         and TARGET_ASM_LTO_END.
187         * darwin.c: Include obstack.h and lto-streamer.h.
188         (lto_section_names_offset, lto_section_names_obstack,
189         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
190         global variables.
191         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
192         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
193         to a temporary file.
194         (darwin_asm_lto_end): New function.  Restore asm_out_file.
195         (darwin_asm_named_section): For LTO sections, replace the name with
196         the offset of the section name in a string table, and build this
197         table.
198         (darwin_file_start): Initialize global vars for LTO support.
199         (darwin_file_end): If output to asm_out_file was redirected, append it
200         to the proper asm_out_file here.  Add the section names section.
201
202 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
203
204         * c-pragma.c (pending_weak_d, pending_weak): New.
205         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
206         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
207         handle_pragma_weak): Update the uses of pending_weaks.
208
209 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
210
211         PR documentation/44016
212         * doc/standards.texi (Standards): Link to unversioned
213         cxx0x_status.html page.
214
215 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
216
217         PR target/43708
218         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
219         in addition to TREE_USED, to avoid "set but unused" warnings.
220
221 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
222
223         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
224         (is_loop_prefetching_profitable): Do not insert prefetches
225         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
226         times the prefetch ahead distance.
227
228 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
229
230         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
231         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
232         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
233         the unroll_factor.
234
235 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
236
237         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
238         a diagnostic info when the insn-to-mem ratio is too small.
239
240 2010-05-07  Richard Guenther <rguenther@suse.de>
241
242         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
243         the linker plugin.
244         (store_arg): Queue temp_filename for deletion instead of
245         the whole argument.
246
247 2010-05-07  Richard Guenther  <rguenther@suse.de>
248
249         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
250         (run_gcc): Handle LTRANS phase invocation.
251         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
252
253 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
254
255         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
256         this is also meaningful on PARM_DECLs and RESULT_DECLs.
257
258 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
259
260         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
261
262 2010-05-07  Richard Guenther  <rguenther@suse.de>
263
264         PR tree-optimization/44020
265         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
266         code when PRE is not yet initialized.
267
268 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
269
270         * config/mips/dbxmdebug.h: Remove.
271         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
272
273 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
274
275         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
276         with null pointer and also warn about ordered comparison of zero with
277         pointer if -Wextra.
278
279 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
280
281         * graphite-blocking.c
282         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
283         * graphite-clast-to-gimple.c
284         (clast_to_gcc_expression): Same.
285         (precision_for_value): Same.
286         (precision_for_interval): Same.
287         (gcc_type_for_interval): Same.
288         (graphite_create_new_guard): Same.
289         (compute_bounds_for_level): Same.
290         (graphite_create_new_loop_guard): Same.
291         * graphite-interchange.c
292         (build_linearized_memory_access): Same.
293         (pdr_stride_in_loop): Same.
294         (memory_strides_in_loop_1): Same.
295         (memory_strides_in_loop): Same.
296         (extend_scattering): Same.
297         (psct_scattering_dim_for_loop_depth): Same.
298         (pbb_number_of_iterations): Same.
299         * graphite-poly.h
300         (debug_iteration_domains): Same.
301         * graphite-ppl.c
302         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
303         (ppl_set_inhomogeneous_gmp): Same.
304         (ppl_strip_loop): Same.
305         (ppl_lexico_compare_linear_expressions): Same.
306         (ppl_read_polyhedron_matrix): Same.
307         (ppl_max_for_le_pointset): Same.
308         * graphite-ppl.h
309         (ppl_read_polyhedron_matrix): Same.
310         (tree_int_to_gmp): Same.
311         (gmp_cst_to_tree): Same.
312         (ppl_set_inhomogeneous): Same.
313         (ppl_set_inhomogeneous_tree): Same.
314         (ppl_set_coef): Same.
315         (ppl_set_coef_tree): Same.
316         * graphite-sese-to-poly.c
317         (build_pbb_scattering_polyhedrons): Same.
318         (build_scop_scattering): Same.
319         (scan_tree_for_params_right_scev): Same.
320         (scan_tree_for_params): Same.
321         (find_params_in_bb): Same.
322         (find_scop_parameters): Same.
323         (add_upper_bounds_from_estimated_nit): Same.
324         (build_loop_iteration_domains): Same.
325         (add_condition_to_domain): Same.
326         (pdr_add_memory_accesses): Same.
327
328 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
329
330         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
331         CLooG's value_* macros to their respective mpz_* counterparts.
332         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
333         (graphite_create_new_loop_guard): Same.
334         * graphite-interchange.c (build_linearized_memory_access): Same.
335         (pdr_stride_in_loop): Same.
336         (memory_strides_in_loop_1): Same.
337         (1st_interchange_profitable_p): Same.
338         * graphite-poly.c (extend_scattering): Same.
339         (psct_scattering_dim_for_loop_depth): Same.
340         (pbb_number_of_iterations): Same.
341         (pbb_number_of_iterations_at_time): Same.
342         * graphite-poly.h (new_1st_loop): Same.
343         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
344         (oppose_constraint): Same.
345         (insert_constraint_into_matrix): Same.
346         (ppl_set_inhomogeneous_gmp): Same.
347         (ppl_set_coef_gmp): Same.
348         (ppl_strip_loop): Same.
349         (ppl_lexico_compare_linear_expressions): Same.
350         (ppl_max_for_le_pointset): Same.
351         (ppl_min_for_le_pointset): Same.
352         (ppl_build_realtion): Same.
353         * graphite-ppl.h (gmp_cst_to_tree): Same.
354         (ppl_set_inhomogeneous): Same.
355         (ppl_set_inhomogeneous_tree): Same.
356         (ppl_set_coef): Same.
357         (ppl_set_coef_tree): Same.
358         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
359         (build_scop_scattering): Same.
360         (add_value_to_dim): Same.
361         (scan_tree_for_params_right_scev): Same.
362         (scan_tree_for_params_int): Same.
363         (scan_tree_for_params): Same.
364         (find_params_in_bb): Same.
365         (find_scop_parameters): Same.
366         (add_upper_bounds_from_estimated_nit): Same.
367         (build_loop_iteration_domains): Same.
368         (create_linear_expr_from_tree): Same.
369         (add_condition_to_domain): Same.
370         (pdr_add_memory_accesses): Same.
371
372 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
373             Jason Merrill  <jason@redhat.com>
374
375         * c-common.c (c_common_reswords): Add nullptr.
376         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
377         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
378         (gen_type_die_with_usage): Likewise.
379         * dbxout.c (dbxout_type): Likewise.
380         * sdbout.c (plain_type_1): Likewise.
381
382 2010-05-06  Jason Merrill  <jason@redhat.com>
383
384         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
385         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
386         ret appropriately.
387         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
388
389         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
390         stripping WITH_SIZE_EXPR.
391         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
392         change.
393
394 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
395
396         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
397         list of obsolete configurations.
398         Disabled check for obsolete configurations.
399         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
400         Removed support for previous versions.
401         * config/mips/iris.h: Removed.
402         * config/mips/iris5.h: Removed.
403         * config/mips/iris6.h: Merged old iris.h contents.
404         (TARGET_IRIX): Removed.
405         (DRIVER_SELF_SPECS): Removed mabi=32.
406         (IDENT_ASM_OP): Removed undef.
407         (STARTFILE_SPEC): Removed mabi=32.
408         (ENDFILE_SPEC): Likewise.
409         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
410         (MACHINE_TYPE): Update for IRIX 6.5.
411         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
412         TARGET_IRIX by TARGET_IRIX6.
413         (mips_file_start): Likewise.
414         (mips_output_external): Remove IRIX 5/6 O32 support.
415         (mips_output_function_prologue): Likewise.
416         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
417         TARGET_IRIX6.
418         (TARGET_CPU_CPP_BUILTINS): Likewise.
419         (TARGET_IRIX): Removed.
420         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
421         (MULTILIB_DIRNAMES): Removed 32.
422         (MULTILIB_OSDIRNAMES): Removed ../lib.
423         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
424         (Specific, mips-sgi-irix5): Document removal.
425         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
426         Remove references to older IRIX 6 releases and the O32 ABI.
427
428 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
429
430         PR bootstrap/43994
431         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
432         instead of DF_REF_REAL_REG.
433
434 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
435
436         PR target/43888
437         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
438         handling to still return true for x64 targets.
439
440 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
441
442         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
443
444 2010-05-06  Jan Hubicka  <jh@suse.cz>
445
446         PR tree-optimization/43791
447         * ipa-inline.c (update_caller_keys): Remove bogus
448         disregard_inline_limits check.
449
450 2010-05-06  Michael Matz  <matz@suse.de>
451
452         PR tree-optimization/43984
453         * tree-ssa-pre.c (inserted_phi_names): Remove.
454         (inserted_exprs): Change to bitmap.
455         (create_expression_by_pieces): Set bits, don't append to vector.
456         (insert_into_preds_of_block): Don't handle inserted_phi_names.
457         (eliminate): Don't look at inserted_phi_names, remove deleted
458         insns from inserted_exprs.
459         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
460         (init_pre, fini_pre): Allocate and free bitmaps.
461         (execute_pre): Insert insns on edges before elimination.
462
463 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
464
465         * tree.c (initializer_zerop): Handle STRING_CST.
466
467 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
468
469         PR 40989
470         * doc/invoke.texi (Wimplicit): Document as C only.
471         * opts.c (common_handle_option): Add argument kind.
472         (handle_option): Rename as read_cmdline_option. Factor out code to...
473         (handle_option): ... here. New.
474         (handle_options): Rename as read_cmdline_options.
475         (decode_options): Update call.
476         (set_option): Use option index instead of option pointer. Classify
477         diagnostics correctly.
478         (enable_warning_as_error): Call handle_option.
479         * opts.h (set_option): Update declaration.
480         (handle_option): Declare.
481         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
482         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
483         * c-opts.c (set_Wimplicit): Delete.
484         (c_family_lang_mask): New static constant.
485         (c_common_handle_option): Add argument kind. Use handle_option
486         instead of set_Wimplicit.
487         (c_common_post_options): warn_implicit and warn_implicit_int
488         are disabled by default.
489         * c-common.c (warn_implicit): Do not define here.
490         * c-common.h (warn_implicit): Do not declare here.
491         (c_common_handle_option): Update declaration.
492         * lto-opts.c (lto_reissue_options): Update call to set_option.
493
494 2010-05-06  Richard Guenther  <rguenther@suse.de>
495
496         PR tree-optimization/43571
497         * domwalk.c (walk_dominator_tree): Walk the dominator
498         sons in more optimal order.
499
500 2010-05-06  Richard Guenther  <rguenther@suse.de>
501
502         PR tree-optimization/43934
503         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
504         (stmt_cost): Likewise.
505         (extract_true_false_args_from_phi): New helper.
506         (determine_max_movement): For PHI nodes verify we can hoist them
507         and compute their cost.
508         (determine_invariantness_stmt): Handle PHI nodes.
509         (move_computations_stmt): Likewise.  Hoist PHI nodes in
510         if-converted form using COND_EXPRs.
511         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
512         (tree_ssa_lim): Likewise.
513         * tree-flow.h (tree_ssa_lim): Adjust prototype.
514         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
515
516 2010-05-06  Richard Guenther  <rguenther@suse.de>
517
518         PR tree-optimization/43987
519         * tree-ssa-structalias.c (could_have_pointers): For possibly
520         address-taken variables force pointers to be recorded.
521         (create_variable_info_for_1): Likewise.
522         (push_fields_onto_fieldstack): Pass in wheter all fields
523         must have pointers.
524         (find_func_aliases): Query types instead of vars whether
525         they contain pointers where appropriate.
526
527 2010-05-06  Jan Hubicka  <jh@suse.cz>
528
529         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
530         (record_reference, mark_address, mark_load, mark_store): Record
531         references.
532         (record_references_in_initializer): Update call of record_references.
533         (rebuild_cgraph_edges): Remove all references before rebuiding.
534         * cgraph.c (cgraph_create_node): Clear ref list.
535         (cgraph_remove_node): Remove references.
536         (dump_cgraph_node): Dump references.
537         (cgraph_clone_node): Clone references.
538         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
539         (struct cgraph_node, varpool_node): Add ref_lst.
540         * ipa-ref.c: New file.
541         * ipa-ref.h: New file.
542         * ipa-ref-inline.h: New file.
543         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
544         (referenced_from_other_partition_p): New function.
545         (lto_output_varpool_node): Take set arugment; call
546         referenced_from_other_partition.
547         (lto_output_ref): New.
548         (add_references): New.
549         (output_refs): New.
550         (output_cgraph): Compute boundary based on references; output refs.
551         (output_varpool): Accept cgraph_node_set argument.
552         (input_ref): New.
553         (input_refs): New.
554         (input_cgraph): Call input_refs.
555         * lto-section-in.c (lto_section_name): Add refs.
556         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
557         (ipa-ref.o): New file.
558         * varpool.c (varpool_node): Clear ipa ref list.
559         (varpool_remove_node): Remove references.
560         (dump_varpool_node): Dump references.
561         (varpool_assemble_decl): Only compile finalized ones.
562         (varpool_extra_name_alias): Initialize ref list.
563         * lto-streamer.c (lto-get_section_name): Add .refs section.
564         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
565         (referenced_from_other_partition_p): Declared.
566
567 2010-05-06  Ira Rosen  <irar@il.ibm.com>
568
569         PR tree-optimization/43901
570         * tree-vect-stmts.c (vectorizable_call): Assert that vector
571         type is not NULL if it's transformation phase, and return
572         FALSE if it's analysis.
573         (vectorizable_conversion, vectorizable_operation,
574         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
575
576 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
577
578         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
579         Delete.
580         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
581         New define.
582         * config/mips/mips-protos.h
583         (mips_small_register_classes_for_mode_p): Delete prototype.
584
585 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
586
587         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
588         * config/arm/arm.c (multiple_operation_profitable_p,
589         compute_offset_order): New static functions.
590         (load_multiple_sequence, store_multiple_sequence): Use them.
591         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
592         memory offsets, not register numbers.
593         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
594
595 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
596
597         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
598         (get_pending_sizes, put_pending_size, put_pending_sizes):
599         Update the uses of pending_sizes.
600         * c-decl.c (store_parm_decls): Likewise.
601         * c-tree.h (struct c_arg_info): Likewise.
602         * tree.h: Update the prototype for get_pending_sizes and
603         put_pending_sizes.
604
605 2010-05-05  Jason Merrill  <jason@redhat.com>
606
607         PR debug/43370
608         * c-common.c (handle_aligned_attribute): Respect
609         ATTR_FLAG_TYPE_IN_PLACE.
610
611         PR testsuite/43758
612         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
613         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
614         (TARGET_INITIALIZER): Use it.
615         * c-common.c (attribute_takes_identifier_p): Call it.
616         * c-common.h: Update prototype.
617         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
618         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
619
620 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
621
622         PR debug/43950
623         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
624         DW_ID_down_case for Fortran compilation units.
625
626 2010-05-05  Jan Hubicka  <jh@suse.cz>
627
628         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
629         handle aliases.
630
631 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
632
633         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
634         a variable-sized RESULT_DECL.
635
636 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
637
638         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
639
640 2010-05-05  Jason Merrill  <jason@redhat.com>
641
642         PR c++/43787
643         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
644         returns GS_OK.
645         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
646
647 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
648             Jakub Jelinek  <jakub@redhat.com>
649
650         PR debug/43478
651         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
652         (dead_debug_init, dead_debug_finish): New functions.
653         (dead_debug_add, dead_debug_insert_before): Likewise.
654         (df_note_bb_compute): Initialize a dead_debug object, add dead
655         debug uses to it, insert debug bind insns before death insns,
656         reset debug insns that refer to pending uses at the end.
657         * rtl.h (make_debug_expr_from_rtl): New prototype.
658         * varasm.c (make_debug_expr_from_rtl): New function.
659
660 2010-05-05  Jan Hubicka  <jh@suse.cz>
661
662         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
663         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
664         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
665         lto_varpool_encoder_deref, lto_varpool_encoder_size,
666         lto_varpool_encoder_encode_initializer_p,
667         lto_set_varpool_encoder_encode_initializer): New functions.
668         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
669         call output_varpool.
670         (input_varpool_node): Do not always set analyzed.
671         (input_cgraph_1): Return vector of cgraph nodes.
672         (input_varpool_1): Return vector of varpools.
673         (input_cgraph): Free the vectors.
674         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
675         output only initializers needed.
676         (lto_output): Only call output_cgraph.
677         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
678         * lto-section-out.c (lto_new_out_decl_state): Initialize
679         state->varpool_node_encoder.
680         * lto-streamer.h (lto_varpool_encoder_d): New.
681         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
682         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
683         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
684         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
685         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
686         Declare.
687         (output_varpool, input_varpool): Remove declarations.
688
689 2010-05-05  Jan Hubicka  <jh@suse.cz>
690
691         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
692         with body can prevail.
693
694 2010-05-05  Jan Hubicka  <jh@suse.cz>
695
696         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
697         size.
698
699 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
700
701         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
702
703         * gengtype.h (erro_at_line): Constify pos argument.
704
705         * gengtype.c: Include hashtab.h.
706         (enum gc_used): Document GC_MAYBE_POINTED_TO.
707         (error_at_line): Constify pos argument.
708         (do_typedef): Initialize p->opt field.
709         (get_file_gtfilename): Fix comment typo.
710         (struct walk_type_data): Constify line field.
711         (get_output_file_for_structure): New function.
712         (write_local_func_for_structure): Constify orig_s argument.
713         Use get_output_file_for_structure.
714         (write_func_for_structure): Use get_output_file_for_structure.
715         (INDENT): New define.
716         (dump_pair, dump_type, dump_type_list, dump_typekind)
717         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
718         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
719         functions.
720         (seen_types): New variable.
721         (main): New variable do_dump.  Process "-d" command line option.
722         Call dump_everything if dump requested.
723
724 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
725
726         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
727         in a temporary instead of invoking the macro multiple times.
728         (track_expr_p): Likewise.
729
730 2010-05-04  Neil Vachharajani <nvachhar@google.com>
731
732         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
733         per new semantics.
734         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
735         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
736         conditions for printing notes.
737         * common.opt (-Wcoverage-mismatch): Allow negative, default to
738         true, update documentation.
739         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
740
741 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
742
743         PR c/43981
744         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
745         on dimen.
746
747 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
748
749         PR target/43799
750         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
751         (*sse_prologue_save_insn1): Likewise.
752         (SSE prologue save splitter): Likewise.
753
754 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
755
756         * tree.c (free_lang_data_in_one_sizepos): New inline function.
757         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
758         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
759         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
760         all decls.  Call it on DECL_FIELD_OFFSET of fields.
761         (find_decls_types_r): Follow DECL_VALUE_EXPR.
762         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
763
764 2010-05-04  Martin Jambor  <mjambor@suse.cz>
765
766         * tree-sra.c (build_access_from_expr_1): The first parameter type
767         changed to simple tree.
768         (build_access_from_expr): Likewise, gsi parameter was eliminated.
769         (scan_assign_result): Renamed to assignment_mod_result, enum elements
770         renamed as well.
771         (build_accesses_from_assign): Removed all parameters except for a
772         simple gimple statement.  Now returns a simple bool.
773         (scan_function): All non-analysis parts moved to separate functions
774         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
775         parameters and updated both callers.
776         (sra_modify_expr): Removed parameter data.
777         (sra_modify_function_body): New function.
778         (perform_intra_sra): Call sra_modify_function_body to modify the
779         function body.
780         (replace_removed_params_ssa_names): Parameter data changed into
781         adjustments vector.
782         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
783         changed the parameter dont_convert to convert with the opposite
784         meaning.
785         (sra_ipa_modify_assign): Parameter data changed into adjustments
786         vector, return value changed to bool.
787         (ipa_sra_modify_function_body): New function.
788         (sra_ipa_reset_debug_stmts): Updated a comment.
789         (modify_function): Use ipa_sra_modify_function_body to modify function
790         body.
791
792 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
793
794         PR middle-end/43671
795         * alias.c (true_dependence): Handle the same VALUE in x and mem.
796         (canon_true_dependence): Likewise.
797         (write_dependence_p): Likewise.
798
799 2010-05-04  Jan Hubicka  <jh@suse.cz>
800
801         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
802         * cgraphbuild.c: Include ipa-utils.h
803         (record_reference_ctx): New struct.
804         (record_reference): Simplify to work on initializers; not statements.
805         (mark_address, mark_load, mark_store): New.
806         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
807         walk PHI nodes too.
808         (record_references_in_initializer): Update use of record_reference.
809         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
810         walk PHI nodes too.
811
812 2010-05-04  Jan Hubicka  <jh@suse.cz>
813
814         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
815         node will be removed anyway.
816         (lto_varpool_replace_node): Allow also unanalyzed nodes;
817         relink aliases of node into prevailing node.
818         * varpool.c (varpool_remove_node): Remove aliases properly;
819         when removing node, remove all its aliases too; remove DECL_INITIAL
820         of removed node; ggc_free the varpool node.
821
822 2010-05-04  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/43879
825         * tree-ssa-structalias.c (alias_get_name): Use
826         DECL_ASSEMBLER_NAME if available.
827         (create_function_info_for): Return the varinfo node.
828         (ipa_pta_execute): Associate same-body aliases and extra names
829         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
830
831 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
832
833         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
834
835 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
836
837         PR bootstrap/43964
838         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
839         only if HONOR_REG_ALLOC_ORDER is not defined.
840
841 2010-05-04  Richard Guenther  <rguenther@suse.de>
842
843         PR tree-optimization/43949
844         * tree-vrp.c (extract_range_from_binary_expr): Only handle
845         TRUNC_MOD_EXPR.
846
847 2010-04-26  Jason Merrill  <jason@redhat.com>
848
849         * c.opt (-fstrict-enums): New.
850         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
851
852 2010-05-03  David Ung <davidu@mips.com>
853             James E. Wilson  <wilson@codesourcery.com>
854
855         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
856         emit the trap instruction before the divide for TUNE_74K.
857
858 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
859
860         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
861         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
862         based on the above, for new target hook.
863
864         * hooks.c (hook_bool_mode_true): New generic hook.
865         * hooks.h (hook_bool_mode_true): Add prototype.
866
867         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
868         target hook.
869         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
870         target hook, set to hook_bool_mode_false.
871         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
872         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
873         with targetm.small_register_classes_for_mode_p.
874         (find_reusable_reload): Likewise.
875         (combine_reloads): Likewise.
876         * reload1.c (reload_as_needed): Likewise.
877         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
878         * ifcvt.c (noce_process_if_block, check_cond_move_block,
879         dead_or_predicable): Likewise.
880         * regmove.c (optimize_reg_copy_1): Likewise.
881         * calls.c (prepare_call_address): Likewise.
882         (precompute_register_parameters): Likewise.
883
884         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
885         hook definition.
886         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
887         implementation of the hook that considers all register classes
888         small except for SH64.
889         (sh_override_options): Use the new hook.
890         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
891         Add prototype.
892
893         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
894         hook definition.
895         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
896         implementation of the hook that considers all register classes
897         small for THUMB1.
898         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
899         Add prototype.
900
901         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
902         hook definition.
903         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
904         implementation of the hook that considers all register classes
905         small for MIPS16.
906         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
907         Add prototype.
908
909         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
910         hook definition.
911         * config/m32c/m32c.h: Likewise.
912         * config/pdp11/pdp11.h: Likewise.
913         * config/avr/avr.h: Likewise.
914         * config/xtensa/xtensa.h: Likewise.
915         * config/m68hc11/m68hc11.h: Likewise.
916         * config/mn10300/mn10300.h: Likewise.
917         * config/mcore/mcore.h: Likewise.
918         * config/h8300/h8300.h: Likewise.
919         * config/bfin/bfin.h: Likewise.
920
921         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
922         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
923
924 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
925
926         * double-int.h (tree_to_double_int): Remove macro.
927         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
928         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
929         (tree_to_double_int): New function.
930         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
931         Move ...
932         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
933
934 2010-05-03  Richard Guenther  <rguenther@suse.de>
935
936         PR tree-optimization/43971
937         * tree-ssa-structalias.c (get_constraint_for_1): Fix
938         constraints in the !flag_delete_null_pointer_checks case.
939
940 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
941
942         PR debug/43972
943         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
944         result mode matches original rtl mode.
945
946 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
947
948         PR target/43888
949         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
950
951 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
952
953         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
954         when processing flag options.
955
956 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
957
958         * gcov-iov.c (main): Change format string placeholder
959         from %#08x to 0x%08x.
960         * genchecksum.c (dosum): Change format string placeholder
961         from %#02x to 0x%02x.
962
963 2010-05-02  Richard Guenther  <rguenther@suse.de>
964
965         PR tree-optimization/43879
966         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
967
968 2010-05-02  Bruno Haible  <bruno@clisp.org>
969
970         * doc/extend.texi (Function Attributes): Fix a typo.
971
972 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
973
974         Revert:
975         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
976         placeholder from 0x%x to %#x.
977         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
978         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
979         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
980         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
981         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
982         * config/i386/i386.c (ix86_target_string): Ditto.
983         * config/i386/i386.c (output_pic_addr_const): Ditto.
984         (print_operand): Ditto.
985
986 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
987
988         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
989         placeholder from 0x%x to %#x.
990         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
991         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
992         (ASM_OUTPUT_DEBUG_DATA): Ditto.
993         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
994         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
995         * optc-gen.awk: Ditto.
996         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
997         (HOST_WIDE_INT_PRINT_HEX): Ditto.
998         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
999         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1000
1001 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1002
1003         * target.h (struct calls): Add function_value_regno_p field.
1004         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1005         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1006         * targhooks.c (default_function_value_regno_p): New function.
1007         * targhooks.h (default_function_value_regno_p): Declare function.
1008         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1009         * builtins.c. (apply_result_size): (Ditto.).
1010         * combine.c. (likely_spilled_retval_p): (Ditto.).
1011         * mode-switching.c. Include 'target.h'.
1012         (create_pre_exit): Use function_value_regno_p hook.
1013         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1014         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1015         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1016
1017         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1018         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1019         (ix86_function_value_regno_p): Declare as static, change argument
1020         type to const unsigned int.
1021         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1022
1023 2010-05-01  Richard Guenther  <rguenther@suse.de>
1024
1025         PR tree-optimization/43949
1026         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1027         types.
1028         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1029
1030 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1031
1032         * rtl.h (CONST_DOUBLE_P): Define.
1033         (rtx_to_double_int): Declare.
1034         * emit-rtl.c (rtx_to_double_int): New function.
1035         * dwarf2out.c (insert_double): New function.
1036         (loc_descriptor, add_const_value_attribute): Clean up, use
1037         rtx_to_double_int and insert_double functions.
1038
1039 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1040
1041         * doc/extend.texi (Inline): Add missing return keyword to examples.
1042         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1043         "command-line".
1044
1045 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1046
1047         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1048         the variable part of the offset as well.  Use highest_pow2_factor for
1049         all alignment checks.
1050
1051 2010-04-30  Richard Guenther  <rguenther@suse.de>
1052
1053         PR tree-optimization/43879
1054         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1055         can have pointers.
1056
1057 2010-04-30  Jan Hubicka  <jh@suse.cz>
1058
1059         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1060         varpool.
1061         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1062
1063 2010-04-30  Jan Hubicka  <jh@suse.cz>
1064
1065         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1066         New.
1067         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1068         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1069         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1070         cgraph_node_set_needs_ltrans_p): Remove.
1071
1072 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1073
1074         * sdbout.c: Include vec.h, do not include varray.h.
1075         (deferred_global_decls, sdbout_global_decl,
1076         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1077         * toplev.c: Do not include varray.h.
1078         (dump_memory_report): Do not dump VARRAY statistics.
1079         * gengtype.c (open_base_file): Ignore varray.h.
1080         * Makefile.in: Update for abovementioned changes.
1081         Remove all traces of varray.c and varray.h.
1082         * varray.c: Remove file.
1083         * varray.h: Remove file.
1084
1085 2010-04-30  Jan Hubicka  <jh@suse.cz>
1086
1087         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1088         references.
1089
1090 2010-04-30  Jan Hubicka  <jh@suse.cz>
1091
1092         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1093         needed.
1094
1095 2010-04-30  Richard Guenther  <rguenther@suse.de>
1096
1097         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1098         constraints for CONSTRUCTOR.
1099
1100 2010-04-30  Richard Guenther  <rguenther@suse.de>
1101
1102         PR lto/43946
1103         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1104         first after all lowering passes.
1105
1106 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1107
1108         * toplev.c: Include varray.h for statistics dumping.
1109         * tree.h: Do not declare varray_head_tag.
1110         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1111         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1112         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1113         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1114         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1115         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1116         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1117         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1118         include varray.h.
1119         * Makefile.in: Update for abovementioned changes.
1120
1121 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR debug/43942
1124         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1125
1126 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1127
1128         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1129         Use this function to do machine-specific conversion.
1130         (picochip_legitimize_reload_address): Likewise.
1131         (picochip_legitimate_address_p): Check valid base register only if
1132         strict.
1133         (picochip_check_conditional_copy): Check for modw only if opnd is
1134         register.
1135         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1136         to call the function in c.
1137         * config/picochip/picochip-protos.h
1138         (picochip_legitimize_reload_address): Define.
1139         * config/picochip/picochip.md (supported_compare1): Define.
1140
1141 2010-04-30  Jan Hubicka  <jh@suse.cz>
1142
1143         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1144         (cgraph_global_info): Remove inlined.
1145         (LTO_cgraph_tag_names): Remove.
1146         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1147         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1148         simplify cgraph tags and document.
1149         (lto_output_node): Use only LTO_cgraph_unavail_node and
1150         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1151         for_functions_valid, global info, process and output flags.
1152         (input_overwrite_node): Initialize estimated stack size and
1153         estimated growth.  Do not read flags we no longer store.
1154         (input_node): Likewise do not read info no longer stored.
1155         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1156         flag.
1157
1158 2010-04-30  Richard Guenther  <rguenther@suse.de>
1159
1160         PR tree-optimization/43879
1161         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1162         handle non-zero initializers.
1163
1164 2010-04-30  Richard Guenther  <rguenther@suse.de>
1165
1166         * builtins.c (fold_builtin_1): Delete free (0).
1167
1168 2010-04-29  Jan Hubicka  <jh@suse.cz>
1169
1170         * gengtype.c (open_base_files): Add lto-streamer.h
1171         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1172         (pass_ipa_cp): GGC collect.
1173         * toplev. (compile_file): Do not output symbols.
1174         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1175         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1176         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1177         * lto-section-in.c: Include ggc.h
1178         (lto_new_in_decl_state): Alloc in GGC.
1179         (lto_delete_in_decl_state): Likewise.
1180         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1181         Collect.
1182
1183 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1184
1185         PR target/42895
1186         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1187         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1188         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1189         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1190         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1191         account only if HONOR_REG_ALLOC_ORDER is not defined.
1192         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1193         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1194
1195 2010-04-29  Jon Grant  <04@jguk.org>
1196
1197         * collect2.c (vflag): Change type from int to bool.
1198         (debug): Likewise.
1199         (helpflag): New global bool.
1200         (main): Set vflag and debug with boolean, not integer truth values.
1201         Accept new "--help" option and output usage text if found.
1202         * collect2.h (vflag): Update prototype.
1203         (debug): Likewise.
1204
1205 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1206
1207         PR bootstrap/43936
1208         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1209
1210 2010-04-29  Richard Guenther  <rguenther@suse.de>
1211
1212         PR bootstrap/43935
1213         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1214         with ATTRIBUTE_UNUSED.
1215
1216 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1217
1218         PR target/43921
1219         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1220         INSN_P with NONDEBUG_INSN_P.
1221         (distance_non_agu_define): Likewise.
1222         (distance_agu_use): Likewise.
1223
1224 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1225
1226         From Dominique d'Humieres <dominiq@lps.ens.fr>
1227         PR bootstrap/43858
1228         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1229         test_set.
1230
1231 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1232
1233         * plugin.h (invoke_plugin_callbacks): New inline function.
1234         * plugin.c (flag_plugin_added): New global flag.
1235         (add_new_plugin): Initialize above flag.
1236         (invoke_plugin_callbacks): Rename to ...
1237         (invoke_plugin_callbacks_full): ... this.
1238
1239 2010-04-28  Jan Hubicka  <jh@suse.cz>
1240
1241         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1242         (lto_varpool_replace_node): New.
1243         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1244         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1245         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1246         * cgraph.h (varpool_node_ptr): New type.
1247         (varpool_node_ptr): New vector.
1248         (varpool_node_set_def): New structure.
1249         (varpool_node_set): New type.
1250         (varpool_node_set): New vector.
1251         (varpool_node_set_element_def): New structure.
1252         (varpool_node_set_element, const_varpool_node_set_element): New types.
1253         (varpool_node_set_iterator): New type.
1254         (varpool_node): Add prev pointers, add used_from_other_partition,
1255         in_other_partition.
1256         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1257         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1258         varpool_get_node, varpool_remove_node): Declare.
1259         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1260         varpool_node_set_size): New inlines.
1261         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1262         * tree-pass.h (varpool_node_set_def): Forward declare.
1263         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1264         (ipa_write_optimization_summaries): Update prototype.
1265         * ipa-cp.c (ipcp_write_summary): Update.
1266         * ipa-reference.c (ipa_reference_write_summary): Update.
1267         * lto-cgraph.c (lto_output_varpool_node): New static function.
1268         (output_varpool): New function.
1269         (input_varpool_node): New static function.
1270         (input_varpool_1): New function.
1271         (input_cgraph): Input varpool.
1272         * ipa-pure-const.c (pure_const_write_summary): Update.
1273         * lto-streamer-out.c (lto_output): Update, output varpool too.
1274         (write_global_stream): Kill WPA hack.
1275         (produce_asm_for_decls): Update.
1276         (output_alias_pair_p): Handle variables.
1277         (output_unreferenced_globals): Output only needed partition of varpool.
1278         * ipa-inline.c (inline_write_summary): Update.
1279         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1280         cgraph.
1281         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1282         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1283         varpool_node_set_new, varpool_node_set_add,
1284         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1285         debug_varpool_node_set): New functions.
1286         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1287         (execute_one_pass): Process new decls too.
1288         (ipa_write_summaries_2): Pass around vsets.
1289         (ipa_write_summaries_1): Likewise.
1290         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1291         to add.
1292         (ipa_write_optimization_summaries_1): Pass around vsets.
1293         (ipa_write_optimization_summaries): Likewise.
1294         * varpool.c (varpool_get_node): New.
1295         (varpool_node): Update doubly linked lists.
1296         (varpool_remove_node): New.
1297         (dump_varpool_node): More dumping.
1298         (varpool_enqueue_needed_node): Update doubly linked lists.
1299         (decide_is_variable_needed): Kill ltrans hack.
1300         (varpool_finalize_decl): Kill lto hack.
1301         (varpool_assemble_decl): Skip decls in other partitions.
1302         (varpool_assemble_pending_decls): Update doubly linkes lists.
1303         (varpool_empty_needed_queue): Likewise.
1304         (varpool_extra_name_alias): Likewise.
1305         * lto-streamer.c (lto_get_section_name): Add vars section.
1306         * lto-streamer.h (lto_section_type): Update.
1307         (output_varpool, input_varpool): Declare.
1308
1309 2010-04-28  Mike Stump  <mikestump@comcast.net>
1310
1311         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1312
1313 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1314
1315         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1316         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1317         (lto_input_ts_type_tree_pointers): Likewise.
1318         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1319         (lto_output_ts_type_tree_pointers): Likewise.
1320
1321 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1322
1323         Uniquization of constants at the Tree level
1324         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1325         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1326         bit to the end.
1327         (tree_output_constant_def): Declare.
1328         * gimplify.c (gimplify_init_constructor): When using block copy, first
1329         uniquize the constant constructor on the RHS.
1330         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1331         DECL_IN_CONSTANT_POOL flag.
1332         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1333         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1334         constant pool.
1335         (assemble_variable): Deal with symbols belonging to the tree constant
1336         pool.
1337         (get_constant_section): Add ALIGN parameter and simplify.
1338         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1339         (assemble_constant_contents): Use the expression of the VAR_DECL.
1340         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1341         (tree_output_constant_def): New global function.
1342         (mark_constant): Use the expression of the VAR_DECL.
1343         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1344         its expression.
1345         (output_object_block): Likewise and assemble the expression.
1346
1347 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1348
1349         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1350         hash_tree, eq_tree): New tree hash table.
1351         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1352         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1353         lto_orig_address_remove): Reimplement.
1354
1355 2010-04-28  Xinliang David Li  <davidxl@google.com>
1356
1357         PR c/42643
1358         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1359         (compute_uninit_opnds_pos): New function.
1360         (is_non_loop_exit_postdominating): New function.
1361         (compute_control_dep_chain): New function.
1362         (find_pdom): New function.
1363         (convert_control_dep_chain_into_preds): New function.
1364         (find_predicates): New function.
1365         (find_control_equiv_block): New function.
1366         (collect_phi_def_edges): New function.
1367         (find_def_preds): New function.
1368         (find_dom): New function.
1369         (dump_predicates): New function.
1370         (get_cmp_code): New function.
1371         (is_value_included_in): New function.
1372         (find_matching_predicate_in_rest_chains): New function.
1373         (use_pred_not_overlap_with_undef_path_pred): New function.
1374         (is_use_properly_guarded): New function.
1375         (normalize_cond_1): New function.
1376         (is_and_or_or): New function.
1377         (normalize_cond): New function.
1378         (is_gcond_subset_of): New function.
1379         (is_subset_of_any): New function.
1380         (is_or_set_subset_of): New function.
1381         (is_and_set_subset_of): New function.
1382         (is_norm_cond_subset_of): New function.
1383         (is_pred_expr_subset_of): New function.
1384         (is_pred_chain_subset_of): New function.
1385         (is_included_in): New function.
1386         (is_superset_of): New function.
1387         (find_uninit_use): New function.
1388         (warn_uninitialized_phi): New function.
1389         (compute_possibly_undefined_names): New function.
1390         (ssa_undefined_value_p): New function.
1391         (execute_late_warn_uninitialized): New function.
1392         * tree-ssa.c (ssa_undefined_value_p): Removed.
1393         (warn_uninit): Changed to extern.
1394         (warn_uninitialized_phi): Removed.
1395         (warn_uninitialized_vars): Changed to extern.
1396         (execute_late_warn_uninitialized): Removed
1397         * tree-flow.h: Add new prototypes.
1398         * timevar.def: Add new time variable.
1399         * Makefile.in: Add new build file.
1400
1401 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1402
1403         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1404         type if available.
1405
1406 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1407
1408         PR target/22224
1409         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1410
1411 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1412
1413         * cgraph.h (struct cgraph_node): New field indirect_calls.
1414         (struct cgraph_indirect_call_info): New type.
1415         (struct cgraph_edge): Removed field indirect_call. New fields
1416         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1417         (cgraph_create_indirect_edge): Declare.
1418         (cgraph_make_edge_direct): Likewise.
1419         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1420         * ipa-prop.h (struct ipa_param_call_note): Removed.
1421         (struct ipa_node_params): Removed field param_calls.
1422         (ipa_create_all_structures_for_iinln): Declare.
1423         * cgraph.c: Described indirect edges and uids in initial comment.
1424         (cgraph_add_edge_to_call_site_hash): New function.
1425         (cgraph_edge): Search also among the indirect edges, use
1426         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1427         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1428         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1429         site hash.
1430         (initialize_inline_failed): Assign a reason to indirect edges.
1431         (cgraph_create_edge_1): New function.
1432         (cgraph_create_edge): Moved some functionality to
1433         cgraph_create_edge_1.
1434         (cgraph_create_indirect_edge): New function.
1435         (cgraph_edge_remove_callee): Add an assert checking for
1436         non-indirectness.
1437         (cgraph_edge_remove_caller): Special-case indirect edges.
1438         (cgraph_remove_edge): Likewise.
1439         (cgraph_set_edge_callee): New function.
1440         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1441         (cgraph_make_edge_direct): New function.
1442         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1443         the declaration of the call statement matches.
1444         (cgraph_node_remove_callees): Special-case indirect edges.
1445         (cgraph_clone_edge): Likewise.
1446         (cgraph_clone_node): Clone also the indirect edges.
1447         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1448         indirect_call, dump count of indirect_calls edges.
1449         * ipa-prop.c (iinlining_processed_edges): New variable.
1450         (ipa_note_param_call): Create indirect edges instead of
1451         creating notes.  New parameter node.
1452         (ipa_analyze_call_uses): New parameter node, pass it on to
1453         ipa_note_param_call.
1454         (ipa_analyze_stmt_uses): Likewise.
1455         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1456         (print_edge_addition_message): Work on edges rather than on notes.
1457         (update_call_notes_after_inlining): Likewise, renamed to
1458         update_indirect_edges_after_inlining.
1459         (ipa_create_all_structures_for_iinln): New function.
1460         (ipa_free_node_params_substructures): Do not free notes.
1461         (ipa_edge_duplication_hook): Propagate bits within
1462         iinlining_processed_edges bitmap.
1463         (ipa_node_duplication_hook): Do not duplicate notes.
1464         (free_all_ipa_structures_after_ipa_cp): Renamed to
1465         ipa_free_all_structures_after_ipa_cp.
1466         (free_all_ipa_structures_after_iinln): Renamed to
1467         ipa_free_all_structures_after_iinln.
1468         (ipa_write_param_call_note): Removed.
1469         (ipa_read_param_call_note): Removed.
1470         (ipa_write_indirect_edge_info): New function.
1471         (ipa_read_indirect_edge_info): Likewise.
1472         (ipa_write_node_info): Do not stream notes, do stream information
1473         in indirect edges.
1474         (ipa_read_node_info): Likewise.
1475         (lto_ipa_fixup_call_notes): Removed.
1476         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1477         * ipa-inline.c (pass_ipa_inline): Likewise.
1478         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1479         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1480         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1481         is_gimple_call.
1482         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1483         edges.
1484         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1485         (output_cgraph): Stream also indirect edges.
1486         (lto_output_edge): Added capability to stream indirect edges.
1487         (input_edge): Likewise.
1488         (input_cgraph_1): Likewise.
1489         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1490         of indirect edges.
1491
1492 2010-04-28  Richard Guenther  <rguenther@suse.de>
1493
1494         PR tree-optimization/43879
1495         PR tree-optimization/43909
1496         * tree-ssa-structalias.c (struct variable_info): Add
1497         only_restrict_pointers flag.
1498         (new_var_info): Initialize it.  Increment stats.total_vars here.
1499         (create_function_info_for): Do not increment stats.total_vars here.
1500         (get_function_part_constraint): Fix build with C++.
1501         (insert_into_field_list): Remove.
1502         (push_fields_onto_fieldstack): Properly merge fields.
1503         (create_variable_info_for): Split and simplify.
1504         (create_variable_info_for_1): New piece.
1505         (intra_create_variable_infos): Properly make restrict constraints
1506         from parameters.
1507
1508 2010-04-28  Richard Guenther  <rguenther@suse.de>
1509
1510         PR c++/43880
1511         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1512
1513 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1514             Jan Hubicka <hubicka@ucw.cz>
1515
1516         * doc/invoke.texi (-Wsuggest-attribute=const,
1517         -Wsuggest-attribute=pure): Document.
1518         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1519         (function_always_visible_to_compiler_p,
1520         suggest_attribute, warn_function_pure, warn_function_const):
1521         New functions.
1522         (check_call): Improve debug info.
1523         (analyze_function): Do not check availability.
1524         (add_new_function): Check availability.
1525         (propagate): Output warnings.
1526         (skip_function_for_local_pure_const): New function.
1527         (local_pure_const): Use it; output warnings.
1528         * common.opt (Wsuggest-attribute=const,
1529         Wsuggest-attribute=pure): New.
1530
1531 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1532
1533         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1534         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1535         or DW_CFA_def_cfa_offset{,_sf}.
1536
1537 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1538
1539         * tree.h: Fix truncated long macros.
1540
1541 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1542
1543         * collect2.c (TARGET_64BIT): Redefine to target's default.
1544         * tlink.c: Likewise.
1545         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1546         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1547         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1548         for underscoring __USER_LABEL_PREFIX__.
1549         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1550         (SUB_LINK_ENTRY32): New.
1551         (SUB_LINK_ENTRY64): New.
1552         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1553         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1554         (SUB_LINK_ENTRY64): New.
1555         (SUB_LINK_ENTRY): New.
1556         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1557         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1558         x64 target is choosen.
1559         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1560         * configure: Regenerated.
1561         * configure.ac (leading-mingw64-underscores): Option added.
1562
1563 2010-04-27  Jan Hubicka  <jh@suse.cz>
1564
1565         * doc/invoke.texi (-fipa-profile): Document.
1566         * opts.c (decode_options): Enable ipa-profile at -O1.
1567         * timevar.def (TV_IPA_PROFILE): Define.
1568         * common.opt (fipa-profile): Add.
1569         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1570         flag for clones.
1571         (cgraph_propagate_frequency): Handle only local ones.
1572         * tree-pass.h (pass_ipa_profile): Declare.
1573         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1574         (pass_ipa_profile): Use TV_IPA_PROFILE.
1575         * ipa.c (ipa_profile): New function.
1576         (gate_ipa_profile): Likewise.
1577         (pass_ipa_profile): New global variable.
1578         * passes.c (pass_ipa_profile): New.
1579
1580 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1581
1582         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1583
1584 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1585
1586         PR middle-end/43812
1587         * ipa.c (dissolve_same_comdat_group_list): New function.
1588         (function_and_variable_visibility): Call
1589         dissolve_same_comdat_group_list when comdat group contains external or
1590         newly local nodes.
1591         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1592         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1593
1594 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1595
1596         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1597         (const_hash_1) <VECTOR_CST>: New case.
1598         (compare_constant) <VECTOR_CST>: Likewise.
1599         <ADDR_EXPR>: Deal with LABEL_REFs.
1600         (copy_constant) <VECTOR_CST>: New case.
1601
1602 2010-04-27  Jan Hubicka  <jh@suse.cz>
1603
1604         * cgraph.c (cgraph_propagate_frequency): New function.
1605         * cgraph.h (cgraph_propagate_frequency): Declare.
1606         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1607         cgraph_propagate_frequency.
1608
1609 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1610
1611         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1612
1613 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1614
1615         PR target/40657
1616         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1617         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1618         here to determine which regs to push and how much stack to reserve.
1619
1620 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1621
1622         * doc/gimple.texi (gimple_statement_with_ops): Remove
1623         addresses_taken field.
1624         (gimple_statement_with_memory_ops): Likewise.
1625
1626 2010-04-27  Jan Hubicka  <jh@suse.cz>
1627
1628         * tree-inline.c (eni_inlining_weights): Remove.
1629         (estimate_num_insns): Special case more builtins.
1630
1631 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1632
1633         PR c/32207
1634         * c-typeck.c (build_binary_op): Move forward check for comparison
1635         pointer with null pointer constant and adjust the diagnostic message.
1636
1637 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1638
1639         PR lto/42776
1640         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1641         binutils supports extended .section directive needed by LTO, or
1642         warn if older binutils found.
1643         (LTO_BINARY_READER): New AC_SUBST'd variable.
1644         (LTO_USE_LIBELF): Likewise.
1645         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1646         variable.
1647         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1648         (LTO_USE_LIBELF): Likewise.
1649         * configure: Regenerate.
1650
1651         * collect2.c (is_elf): Rename from this ...
1652         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1653          object files in addition to ELF-formatted ones.
1654         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1655         symbol to be prefixed or not by an extra underscore.
1656
1657         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1658         * config/i386/winnt.c: Also #include lto-streamer.h
1659         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1660         LTO named sections.
1661         (i386_pe_asm_output_aligned_decl_common): Add comment.
1662         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1663
1664 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1665
1666         PR target/43889
1667         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1668         Add missing earlyclobber for second alternative.
1669
1670 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1671
1672         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1673         bits for artificial defs at the top of the block.
1674         * fwprop.c (single_def_use_enter_block): Don't call it.
1675
1676 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1677
1678         PR 43715
1679         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1680         instead of "$gcc_cv_objdump -T".
1681         Use "-undefined dynamic_lookup" on darwin.
1682         * gcc/configure: Regenerate.
1683
1684 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1685
1686         PR c/43893
1687         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1688
1689 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1690
1691         * c-parser.c (struct c_token): Move location field up.
1692         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1693         (struct c_declspecs): Convert typespec_word, storage_class, and
1694         default_int_p into bitfields.
1695         (struct c_declarator): Move loc field up.
1696
1697 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1698
1699         * cfgloop.h (struct loop): Move can_be_parallel field up.
1700         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1701         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1702         down.
1703         (struct iv_cand): Convert pos field into a bitfield.
1704         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1705         field up.
1706         (struct _stmt_vec_info): Shuffle fields for better packing.
1707
1708 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1709
1710         * varasm.c (IN_NAMED_SECTION): Remove guard.
1711         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1712         (IN_NAMED_SECTION_P): ...this.
1713         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1714         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1715
1716 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1717
1718         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1719         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1720         of shadowing it.  Fix comments.
1721
1722 2010-04-26  Jan Hubicka  <jh@suse.cz>
1723
1724         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1725         (cgraph_clone_node): Copy function frequency.
1726         * cgraph.h (node_frequency): New enum
1727         (struct cgraph_node): Add.
1728         * final.c (rest_of_clean_state): Update.
1729         * lto-cgraph.c (lto_output_node): Output node frequency.
1730         (input_overwrite_node): Input node frequency.
1731         * tre-ssa-loop-ivopts (computation_cost): Update.
1732         * lto-streamer-out.c (output_function): Do not output function
1733         frequency.
1734         * predict.c (maybe_hot_frequency_p): Update and handle functions
1735         executed once.
1736         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1737         attribute lookup.
1738         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1739         (compute_function_frequency): Set noreturn functions to be executed
1740         once.
1741         (choose_function_section): Update.
1742         * lto-streamer-in.c (input_function): Do not input function frequency.
1743         * function.c (allocate_struct_function): Do not initialize function
1744         frequency.
1745         * function.h (function_frequency): Remove.
1746         (struct function): Remove function frequency.
1747         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1748         (try_update): Update.
1749         * tree-inline.c (initialize_cfun): Do not update function frequency.
1750         * passes.c (pass_init_dump_file): Update.
1751         * i386.c (ix86_compute_frame_layout): Update.
1752         (ix86_pad_returns): Update.
1753
1754 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1755
1756         PR tree-optimization/43833
1757         * tree-vrp.c (range_int_cst_p): New.
1758         (range_int_cst_singleton_p): New.
1759         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1760         when both operands are constants.  Use range_int_cst_p in
1761         BIT_IOR_EXPR case.
1762
1763 2010-04-26  Jan Hubicka  <jh@suse.cz>
1764
1765         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1766
1767 2010-04-26  Richard Guenther  <rguenther@suse.de>
1768
1769         PR lto/43080
1770         * gimple.c (gimple_decl_printable_name): Deal gracefully
1771         with a NULL DECL_NAME.
1772
1773 2010-04-26  Richard Guenther  <rguenther@suse.de>
1774
1775         PR lto/42425
1776         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1777         if emitting debug information and it is either a function
1778         or a namespace decl.
1779
1780 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1781
1782         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1783         determine if the statement is vectorizable, and a macro to access it.
1784         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1785         Skip statements that can't be vectorized. If the analysis fails,
1786         mark the statement as unvectorizable if vectorizing basic block.
1787         (vect_compute_data_refs_alignment): Likewise.
1788         (vect_verify_datarefs_alignment): Skip statements marked as
1789         unvectorizable. Add print.
1790         (vect_analyze_group_access): Skip statements that can't be
1791         vectorized. If the analysis fails, mark the statement as
1792         unvectorizable if vectorizing basic block.
1793         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1794         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1795         generated stmts for SLP.
1796         (new_stmt_vec_info): Initialize the new field.
1797         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1798         statements marked as unvectorizable.
1799
1800 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1801
1802         * c-common.c (flag_isoc1x): New.
1803         (flag_isoc99): Update comment.
1804         * c-common.h (flag_isoc1x): New.
1805         (flag_isoc99): Update comment.
1806         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1807         __<type>_DECIMAL_DIG__.
1808         * c-opts.c (set_std_c1x): New.
1809         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1810         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1811         * c.opt (-std=c1x, -std=gnu1x): New options.
1812         * doc/cpp.texi: Mention -std=c1x.
1813         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1814         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1815         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1816         * doc/standards.texi: Mention C1X.
1817         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1818         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1819         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1820         Define for C1X.
1821
1822 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1823
1824         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1825         placeholder from 0x%x to %#x.
1826         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1827         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1828         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1829         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1830         * config/i386/i386.c (ix86_target_string): Ditto.
1831         (output_pic_addr_const): Ditto.
1832         (print_operand): Ditto.
1833
1834 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1835
1836         * combine.c (find_split_point): Add third argument.  Use it
1837         to find nested multiply-accumulate instructions.  Adjust calls.
1838         (try_combine): Adjust call to find_split_point.
1839
1840 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1841
1842         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1843
1844 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1845
1846         PR tree-optimization/41442
1847         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1848         (fold_binary_loc): Call it.
1849
1850 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1851
1852         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1853         * opts.c (common_handle_option): Allow disabling it.
1854         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1855
1856 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1857
1858         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1859         between modes if both types are integral.
1860
1861 2010-04-23  Richard Guenther  <rguenther@suse.de>
1862
1863         PR tree-optimization/43572
1864         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1865
1866 2010-04-23  Richard Guenther  <rguenther@suse.de>
1867
1868         PR lto/43455
1869         * tree-inline.c (tree_can_inline_p): Also check compatibility
1870         of return types.
1871
1872 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1873
1874         PR tree-optimization/43846
1875         * tree-sra.c (struct access): New flag grp_assignment_read.
1876         (build_accesses_from_assign): Set grp_assignment_read.
1877         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1878         (enum mark_read_status): New type.
1879         (analyze_access_subtree): Propagate grp_assignment_read, create
1880         accesses also if both direct_read and root->grp_assignment_read.
1881
1882 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1883
1884         PR middle-end/43835
1885         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1886         function does not have type attributes.
1887
1888 2010-04-23  Richard Guenther  <rguenther@suse.de>
1889
1890         PR lto/42653
1891         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1892         of FUNCTION_DECLs.
1893
1894 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1895
1896         * sese.h (create_if_region_on_edge): Remove.
1897
1898         * sese.c (create_if_region_on_edge): Make static.
1899
1900         * tree-inline.c: Do not include ggc.h.
1901
1902         * expr.c: Do not include ggc.h.
1903
1904         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1905         dependencies.
1906
1907 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1908
1909         PR target/43744
1910         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1911         in the middle of insns for casesi_worker_2.
1912
1913 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1914
1915         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1916
1917 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1918
1919         PR tree-optimization/43842
1920         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1921         loop unrolling in update of exit phis. Fix comment.
1922         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1923         least two reduction statements in the loop before starting SLP
1924         analysis.
1925
1926 2010-04-22  Nick Clifton  <nickc@redhat.com>
1927
1928         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1929
1930 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1931
1932         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1933         to simplify a + ~a.
1934
1935 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1936
1937         * tree-parloops.c (loop_parallel_p): New argument
1938         parloop_obstack.  Pass it down.
1939         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1940         pass it down, free it.
1941
1942         * tree-loop-linear.c (linear_transform_loops): Pass down
1943         lambda_obstack.
1944
1945         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1946         of type struct obstack *.
1947
1948         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1949         scratch_obstack.  Initialize it, pass down, free it.
1950
1951         * lambda.h (lambda_loop_new): Remove.
1952         (lambda_matrix_new, lambda_matrix_inverse)
1953         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1954         argument of type struct obstack *.
1955
1956         * lambda-trans.c (lambda_trans_matrix_new): New argument
1957         lambda_obstack.  Pass it down, use obstack allocation for ret.
1958         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1959         it down.
1960
1961         * lambda-mat.c (lambda_matrix_get_column)
1962         (lambda_matrix_project_to_null): Remove.
1963         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1964         allocation for mat.
1965         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1966         lambda_obstack.
1967
1968         * lambda-code.c (lambda_loop_new): New function.
1969         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1970         (lambda_compute_auxillary_space, lambda_compute_target_space)
1971         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1972         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1973         (build_access_matrix): New argument lambda_obstack.  Use obstack
1974         allocation for am.
1975         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1976         argument lambda_obstack.  Pass it down.
1977
1978 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1979
1980         * optabs.h (expand_widening_mult): Declare.
1981
1982 2010-04-22  Richard Guenther  <rguenther@suse.de>
1983
1984         PR tree-optimization/43845
1985         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1986         lookup the CALL_EXPR function and arguments.
1987
1988 2010-04-22  Nick Clifton  <nickc@redhat.com>
1989
1990         * config/stormy16/stormy16.c
1991         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1992         * config/stormy16/stormy16.h: Tidy up formatting.
1993         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1994         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1995         (ineqbranchsi): Delete pattern.
1996         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1997         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1998         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1999         stormy16-lib2-ucmpsi2.c.
2000
2001 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2002
2003         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2004         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2005         extra set merge_set_noclobber, and use it to relax the final test
2006         slightly.
2007         * df.h (df_simulate_find_noclobber_defs): Declare.
2008         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2009         conditional defs.
2010         (df_simulate_find_noclobber_defs): New function.
2011
2012 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2013
2014         * config/i386/i386.md: Use {} around multi-line preparation statements.
2015
2016 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2017
2018         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2019         (process_init_element): New argument of type struct obstack *.
2020
2021         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2022         (set_init_index, set_init_label, set_nonincremental_init)
2023         (set_nonincremental_init_from_string, find_init_member)
2024         (output_init_element, output_pending_init_elements)
2025         (process_init_element): New argument braced_init_obstack.  Pass it
2026         down.
2027         (push_range_stack, add_pending_init): New argument
2028         braced_init_obstack.  Use obstack allocation.
2029
2030         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2031         braced_init_obstack.  Pass it down.
2032         (c_parser_braced_init): New variables ret, braced_init_obstack.
2033         Initialize obstack, pass it down and finally free it.
2034
2035 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2036
2037         PR middle-end/29274
2038         * tree-pass.h (pass_optimize_widening_mul): Declare.
2039         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2040         gate_optimize_widening_mul): New static functions.
2041         (pass_optimize_widening_mul): New.
2042         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2043         <case MULT_EXPR>: Remove support for widening multiplies.
2044         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2045         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2046         simplify_gen_unary rather than directly building extensions.
2047         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2048         WIDEN_MULT_EXPR.
2049         * expmed.c (expand_widening_mult): New function.
2050         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2051
2052 2010-04-21  Jan Hubicka  <jh@suse.cz>
2053
2054         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2055         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2056         * lto-wpa-fixup.c: Remove.
2057         * Makefile.in (lto-wpa-fixup.o): Remove.
2058         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2059         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2060         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2061
2062 2010-04-21  Jan Hubicka  <jh@suse.cz>
2063
2064         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2065         add write_optimization_summary, read_optimization_summary.
2066         (ipa_write_summaries_of_cgraph_node_set): Remove.
2067         (ipa_write_optimization_summaries): Declare.
2068         (ipa_read_optimization_summaries): Declare.
2069         * ipa-cp.c (pass_ipa_cp): Update.
2070         * ipa-reference.c (pass_ipa_reference): Update.
2071         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2072         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2073         Update.
2074         * ipa-inline.c (pass_ipa_inline): Update.
2075         * ipa.c (pass_ipa_whole_program): Update.
2076         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2077         * passes.c (ipa_write_summaries_1): Do not test wpa.
2078         (ipa_write_optimization_summaries_1): New.
2079         (ipa_write_optimization_summaries): New.
2080         (ipa_read_summaries): Do not test ltrans.
2081         (ipa_read_optimization_summaries_1): New.
2082         (ipa_read_optimization_summaries): New.
2083
2084 2010-04-21  Jan Hubicka  <jh@suse.cz>
2085
2086         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2087         for boundary nodes.
2088         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2089
2090 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2091
2092         PR debug/40040
2093         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2094         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2095
2096 2010-04-21  Jan Hubicka  <jh@suse.cz>
2097
2098         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2099
2100 2010-04-21  Jan Hubicka  <jh@suse.cz>
2101
2102         * varpool.c (decide_is_variable_needed): Variable is always needed
2103         during ltrans.
2104
2105 2010-04-21  Jan Hubicka  <jh@suse.cz>
2106
2107         * opts.c (decode_options): Enable pure-const pass for whopr.
2108
2109 2010-04-21  Jan Hubicka  <jh@suse.cz>
2110
2111         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2112         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2113         at WPA dumping.
2114         (cgraph_decide_inlining): Do not expect callee to be removed in all
2115         cases.
2116
2117 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2118
2119         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2120
2121 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2122
2123         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2124         amdfam10_decode attributes.
2125
2126 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2127
2128         PR middle-end/43570
2129         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2130         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2131         (lower_copyprivate_clauses): Use private var in outer
2132         context instead of original var.  Make sure the types
2133         are correct for VLAs.
2134
2135 2010-04-21  Richard Guenther  <rguenther@suse.de>
2136
2137         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2138         to non-pointer objects.
2139
2140 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2141
2142         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2143         last chain entry if it starts with the still current label.
2144         (add_location_or_const_value_attribute): Check that
2145         loc_list->first->next is NULL instead of comparing ->first with ->last.
2146         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2147         to add_var_loc_to_decl.
2148
2149         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2150         >= 4 add also address size and segment size fields into CIE header.
2151
2152         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2153         long as address size is the same as sizeof (void *) and
2154         segment size is 0.
2155         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2156         address size or segment size is unexpected, return DW_EH_PE_omit.
2157         (classify_object_over_fdes): If get_cie_encoding returned
2158         DW_EH_PE_omit, return -1.
2159         (init_object): If classify_object_over_fdes returned -1,
2160         pretend there were no FDEs at all.
2161
2162 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2163
2164         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2165         bswap{si,di}2 using SWI48 mode iterator.
2166         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2167         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2168         set modrm attribute of bswap insn to 0 and remove length attribute.
2169         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2170         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2171         set mode attribute to <MODE> and remove length attribute.
2172
2173 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2174
2175         PR rtl-optimization/43520
2176         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2177         zero available registers.
2178
2179 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2180
2181         * builtins.c (fold_builtin_cproj): Fold more cases.
2182
2183 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2184
2185         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2186         (fold_builtin_1): Fold builtin cproj.
2187         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2188         Use ATTR_CONST_NOTHROW_LIST.
2189
2190 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2191
2192         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2193         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2194         ffsi2_no_cmove for !TARGET_CMOVE.
2195         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2196         (ffssi2): Remove expander.
2197         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2198         mode iterator.
2199         (ctz<mode>2): Ditto from ctz{si,di}2.
2200         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2201         mode iterator.
2202         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2203         mode iterator.
2204
2205 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2206
2207         * dwarf2out.c (AT_linkage_name): Define.
2208         (clone_as_declaration): Handle DW_AT_linkage_name.
2209         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2210         of DW_AT_MIPS_linkage_name.
2211         (move_linkage_attr): Likewise.
2212         (dwarf2out_finish): Likewise.
2213
2214 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2215
2216         PR middle-end/41952
2217         * fold-const.c (fold_comparison): New folding rule.
2218
2219 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2220
2221         * double-int.h (double_int_setbit): Declare.
2222         * double-int.c (double_int_setbit): New function.
2223         * rtl.h (immed_double_int_const): Declare.
2224         * emit-rtl.c (immed_double_int_const): New function.
2225         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2226         and immed_double_int_const functions.
2227         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2228         expand_copysign_bit):  (Ditto.).
2229         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2230         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2231         * dojump.c (prefer_and_bit_test): (Ditto.).
2232         * expr.c (convert_modes, reduce_to_bit_field_precision,
2233         const_vector_from_tree): (Ditto.).
2234         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2235
2236 2010-04-20  Jan Hubicka  <jh@suse.cz>
2237
2238         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2239         (dump_cgraph_node): Dump new flags.
2240         * cgraph.h (struct cgraph_node): Add flags
2241         reachable_from_other_partition and in_other_partition.
2242         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2243         other partition can not be removed.
2244         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2245         the other partition must be output; silence sanity checking on
2246         leaking functions bodies from other paritition.
2247         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2248         (lto_output_node): Output new flags; do not sanity check that inline
2249         clones are output; drop lto_forced_extern_inline_p code; do not mock
2250         visibility flags at partition boundaries.
2251         (add_node_to): New function.
2252         (output_cgraph): Use it to sort functions so masters appear before
2253         clones.
2254         (input_overwrite_node): Input new flags.
2255         * passes.c (ipa_write_summaries): Do not call
2256         lto_new_extern_inline_states.
2257         * lto-section-out.c (forced_extern_inline,
2258         lto_new_extern_inline_states lto_delete_extern_inline_states,
2259         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2260         * lto-streamer.h (lto_new_extern_inline_states,
2261         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2262         lto_forced_extern_inline_p): Kill.
2263
2264 2010-04-20  Richard Guenther  <rguenther@suse.de>
2265
2266         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2267         from vars that can have pointers.
2268         (process_constraint): Dump useless constraints.
2269
2270 2010-04-20  Richard Guenther  <rguenther@suse.de>
2271
2272         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2273         (dump_sa_points_to_info): Remove asserts.
2274         (init_base_vars): nothing_id isn't an escape point nor does it
2275         have pointers.
2276
2277 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2278
2279         * tree.h (TYPE_REF_IS_RVALUE): Define.
2280         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2281         should_move_die_to_comdat, prune_unused_types_walk): Handle
2282         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2283         (modified_type_die, gen_reference_type_die): Emit
2284         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2285         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2286
2287 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2288
2289         PR target/43635
2290         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2291         calls for -fpic -m31 if they have been sibcall optimized.
2292
2293 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2294
2295         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2296         ar.lc fixed and call-used.
2297
2298         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2299
2300 2010-04-19  Jan Hubicka  <jh@suse.cz>
2301
2302         * opts.c (decode_options): Disable whpr incompatible passes.
2303         * lto/lto.c (lto_1_to_1_map): Skip clones.
2304         (read_cgraph_and_symbols): Do not mark everything as needed.
2305         (do_whole_program_analysis): Do map only after optimizing;
2306         set proper cgraph_state; use passmanager.
2307
2308 2010-04-19  DJ Delorie  <dj@redhat.com>
2309
2310         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2311         POINTER_PLUS_EXPR and fix them.
2312
2313 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2314
2315         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2316         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2317         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2318         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2319         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2320         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2321         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2322         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2323         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2324         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2325         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2326
2327 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2328
2329         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2330         (check_cond_move_block): Likewise.
2331         (cond_move_process_if_block): Likewise.
2332         (noce_find_if_block): Improve formatting.
2333         (find_if_header): Pass 0 to memset and tweak conditions.
2334         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2335
2336 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2337
2338         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2339         for -gdwarf-4.
2340
2341         PR middle-end/43337
2342         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2343         with non-local decl doesn't need chain.
2344
2345 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2346
2347         * ira-color.c (allocno_reload_assign): Avoid accumulating
2348         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2349
2350 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2351
2352         * gimple.h (create_tmp_reg): Declare.
2353         * gimplify.c (create_tmp_reg): New function.
2354         (gimplify_return_expr): Use create_tmp_reg.
2355         (gimplify_omp_atomic): Likewise.
2356         (gimple_regimplify_operands): Likewise.
2357         * tree-dfa.c (make_rename_temp): Likewise.
2358         * tree-predcom.c (predcom_tmp_var): Likewise.
2359         (reassociate_to_the_same_stmt): Likewise.
2360         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2361         (get_replaced_param_substitute): Likewise.
2362         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2363         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2364         * tree-ssa-pre.c (get_representative_for): Likewise.
2365         (create_expression_by_pieces): Likewise.
2366         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2367         (create_tailcall_accumulator): Likewise.
2368
2369 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2370
2371         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2372         new_stmt.
2373         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2374
2375 2010-04-19  Richard Guenther  <rguenther@suse.de>
2376
2377         PR tree-optimization/43796
2378         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2379         from SCEV in the lattice.
2380         (vrp_visit_phi_node): Dump change.
2381
2382 2010-04-19  Richard Guenther  <rguenther@suse.de>
2383
2384         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2385         * configure: Re-generated.
2386
2387 2010-04-19  Richard Guenther  <rguenther@suse.de>
2388
2389         PR tree-optimization/43783
2390         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2391         constant ARRAY_REF operands two and three if possible.
2392
2393 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2394
2395         PR target/43766
2396         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2397
2398 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2399
2400         PR target/43662
2401         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2402
2403 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2404
2405         PR tree-optimization/37027
2406         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2407         and macro to access it.
2408         (vectorizable_reduction): Add argument.
2409         (vect_get_slp_defs): Likewise.
2410         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2411         statements for possible use in SLP.
2412         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2413         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2414         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2415         add new argument.
2416         (vectorizable_reduction): Likewise.
2417         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2418         vect_get_slp_defs.
2419         (vectorizable_type_demotion, vectorizable_type_promotion,
2420         vectorizable_store): Likewise.
2421         (vect_analyze_stmt): Update call to vectorizable_reduction.
2422         (vect_transform_stmt): Likewise.
2423         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2424         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2425         from different interleaving chains in same node.
2426         (vect_slp_rearrange_stmts): New function.
2427         (vect_supported_load_permutation_p): Allow load permutations for
2428         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2429         inside SLP nodes if necessary.
2430         (vect_analyze_slp_instance): Handle reductions.
2431         (vect_analyze_slp): Try to build SLP instances originating from groups
2432         of reductions.
2433         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2434         (vect_get_constant_vectors): Create initial vectors for reductions
2435         according to reduction code. Add new argument.
2436         (vect_get_slp_defs): Add new argument, pass it to
2437         vect_get_constant_vectors.
2438         (vect_schedule_slp_instance): Remove SLP tree root statements.
2439
2440 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2441
2442         * tree.h (ENUM_IS_SCOPED): Define.
2443         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2444         for ENUM_IS_SCOPED enums.
2445
2446 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2447
2448         * fold-const.c (fold_comparison): Use ssizetype.
2449         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2450         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2451         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2452         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2453
2454         * tree.h (initialize_sizetypes): Remove parameter.
2455         (build_common_tree_nodes): Remove second parameter.
2456         * stor-layout.c (initialize_sizetypes): Remove parameter.
2457         Always create an unsigned type.
2458         (set_sizetype): Assert that the passed type is unsigned and simplify.
2459         * tree.c (build_common_tree_nodes): Remove second parameter.
2460         Adjust call to initialize_sizetypes.
2461         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2462         build_common_tree_nodes.
2463
2464 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2465
2466         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2467
2468 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2469
2470         PR tree-optimization/43771
2471         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2472         load permutation doesn't have gaps.
2473
2474 2010-04-18  Jan Hubicka  <jh@suse.cz>
2475
2476         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2477         (sse_prologue_save_insn expander): Use new pattern.
2478         (sse_prologue_save_insn1): New pattern and splitter.
2479         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2480         blocks.
2481         * i386.c (setup_incoming_varargs_64): Do not compute jump
2482         destination here.
2483         (ix86_gimplify_va_arg): Update alignment needed.
2484         (ix86_local_alignment): Do not align all local arrays to 128bit.
2485
2486 2010-04-17  Jan Hubicka  <jh@suse.cz>
2487
2488         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2489
2490 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2491
2492         * arm.md (negdi2): Remove redundant code to force values into a
2493         register.
2494
2495 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2496
2497         * arm/bpabi.S: Add EABI alignment attributes to objects.
2498         * arm/bpabi-v6m.S: Likewise.
2499         * arm/crti.asm: Likewise.
2500         * arm/crtn.asm: Likewise.
2501         * arm/lib1funcs.asm: Likewise.
2502         * arm/libunwind.S: Likewise.
2503
2504 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2505
2506         * arm-protos.h (tune_params): New structure.
2507         * arm.c (current_tune): New variable.
2508         (arm_constant_limit): Delete.
2509         (struct processors): Add pointer to the tune parameters.
2510         (arm_slowmul_tune): New tuning option.
2511         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2512         (all_cores): Adjust to pick up the tuning model.
2513         (arm_constant_limit): New function.
2514         (arm_override_options): Select the appropriate tuning model.  Delete
2515         initialization of arm_const_limit.
2516         (arm_split_constant): Use the new constant-limit model.
2517         (arm_rtx_costs): Pick up the current tuning model.
2518         * arm.md (is_strongarm, is_xscale): Delete.
2519         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2520         for Xscale variant architectures.
2521         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2522
2523 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2524
2525         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2526         can_shift.
2527         (arm_rtx_costs_1): Remove unused variable extra_cost.
2528         (arm_unwind_emit_set): Use variable offset.
2529         (thumb1_output_casesi): Remove unused variable flags.
2530
2531 2010-04-16  Jeff Law  <law@redhat.com>
2532
2533         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2534         needing assignment rather than doing a two-phase assignment.  Remove
2535         unused variable 'm'.
2536
2537 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2538
2539         PR bootstrap/43767
2540         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2541
2542 2010-04-16  Doug Kwan  <dougkwan@google.com>
2543
2544         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2545         (next_operand_entry_id): New static variable.
2546         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2547         (add_to_ops_vec): Assigned unique ID to operand entry.
2548         (struct oecount_s): New field ID.
2549         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2550         (undistribute_ops_list): Assign unique IDs to oecounts.
2551         (init_reassoc): reset next_operand_entry_id.
2552
2553 2010-04-16  Doug Kwan  <dougkwan@google.com>
2554
2555         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2556         missing left parenthesis.
2557
2558 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2559
2560         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2561         *btdi_rex64 using SWI48 mode iterator.
2562         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2563         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2564         *jcc_btdi_mask_rex64.
2565
2566 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2567
2568         * double-int.h (tree_to_double_int): Convert to macro.
2569         * double-int.c (tree_to_double_int): Remove.
2570
2571 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2572
2573         PR debug/43762
2574         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2575         with want_address 2 and in case a single element list might be
2576         possible, call it again with want_address 0.
2577
2578 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2579
2580         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2581         case 'W' print operands for HI mode.
2582         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2583         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2584         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2585         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2586
2587         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2588
2589         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2590         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2591         #xx:3 and #xx:4 mode.
2592
2593         * config/h8300/h8300.md (inverted load with HImode dest): Add
2594         support for H8300SX.
2595
2596         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2597         satisfy 'U' constraint.
2598
2599 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2600
2601         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2602         * configure: Regenerate.
2603         * config.in: Regenerate.
2604         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2605         works.
2606
2607 2010-04-16  Richard Guenther  <rguenther@suse.de>
2608
2609         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2610         (struct tree_decl_common): ... here.
2611         (DECL_PT_UID): Adjust.
2612         (SET_DECL_PT_UID): Likewise.
2613         (DECL_PT_UID_SET_P): Likewise.
2614
2615 2010-04-16  Richard Guenther  <rguenther@suse.de>
2616
2617         PR tree-optimization/43572
2618         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2619         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2620         * tree-flow.h (is_call_clobbered): Remove.
2621         * tree-flow-inline.h (is_call_clobbered): Likewise.
2622         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2623         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2624         (execute_return_slot_opt): Adjust.
2625         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2626         check for call clobbered vars here.
2627         (find_tail_calls): Move tailcall verification to the
2628         proper place.
2629
2630 2010-04-16  Diego Novillo  <dnovillo@google.com>
2631
2632         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2633
2634 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2635
2636         PR target/40603
2637         * config/arm/arm.md (cbranchqi4): New pattern.
2638         * config/arm/predicates.md (const0_operand,
2639         cbranchqi4_comparison_operator): New predicates.
2640
2641 2010-04-16  Richard Guenther  <rguenther@suse.de>
2642
2643         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2644         (dump_gimple_stmt): Likewise.
2645
2646 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2647
2648         * recog.h (struct recog_data): New field is_operator.
2649         (struct insn_operand_data): New field is_operator.
2650         * recog.c (extract_insn): Set recog_data.is_operator.
2651         * genoutput.c (output_operand_data): Emit code to set the
2652         is_operator field.
2653         * reload.c (find_reloads): Use it rather than testing for an
2654         empty constraint string.
2655
2656         PR target/41514
2657         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2658         If the previous insn is a cbranchsi4_insn with the same arguments,
2659         omit the compare instruction.
2660
2661         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2662         register, inputs must be low registers and we need a low register
2663         scratch.  Handle alternative 2 like alternative 3.
2664
2665 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2666
2667         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2668         don't call get_addr on both.  If one expression is a VALUE and
2669         the other a REG, check VALUE's locs if the REG isn't among them.
2670
2671 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2672
2673         * config/sh/sh.h (sh_frame_pointer_required): New function.
2674         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2675         (flag_omit_frame_pointer) Set.
2676         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2677         (rounded_frame_size): Adjust size with outgoing_args_size.
2678         (sh_set_return_address): Must return from stack pointer.
2679         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2680         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2681         (ACCUMULATE_OUTGOING_ARGS): Define.
2682         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2683         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2684
2685 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2686
2687         PR target/43471
2688         * config/sh/sh.c (sh_legitimize_reload_address): Use
2689         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2690         Remove a unneeded check for offset_base.
2691
2692 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2693
2694         * configure: Regenerated.
2695
2696 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2697
2698         * config/s390/s390.c (s390_call_save_register_used): Switch back
2699         to HARD_REGNO_NREGS.
2700
2701 2010-04-15  Richard Guenther  <rguenther@suse.de>
2702
2703         * alias.c (alias_set_subset_of): Handle alias-set zero
2704         child properly.
2705
2706 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2707             Julian Brown  <julian@codesourcery.com>
2708
2709         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2710         alternatives according to use of high and low regs.
2711         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2712         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2713         optimizing for size on Thumb-2.
2714
2715 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2716
2717         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2718
2719 2010-04-15  Richard Guenther  <rguenther@suse.de>
2720
2721         * tree-ssa-structalias.c (struct variable_info): Add
2722         is_fn_info flag.
2723         (new_var_info): Initialize it.
2724         (dump_constraints): Support printing last added constraints.
2725         (debug_constraints): Adjust.
2726         (dump_constraint_graph): Likewise.
2727         (make_heapvar_for): Check for NULL cfun.
2728         (get_function_part_constraint): New function.
2729         (get_fi_for_callee): Likewise.
2730         (find_func_aliases): Properly implement IPA PTA constraints.
2731         (process_ipa_clobber): New function.
2732         (find_func_clobbers): Likewise.
2733         (insert_into_field_list_sorted): Remove.
2734         (create_function_info_for): Properly allocate vars for IPA mode.
2735         Do not use insert_into_field_list_sorted.
2736         (create_variable_info_for): Properly generate constraints for
2737         global vars in IPA mode.
2738         (dump_solution_for_var): Always dump the solution.
2739         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2740         (find_what_var_points_to): Adjust.
2741         (pt_solution_set): Change.
2742         (pt_solution_ior_into): New function.
2743         (pt_solution_empty_p): Export.
2744         (pt_solution_includes_global): Adjust.
2745         (pt_solution_includes_1): Likewise.
2746         (pt_solutions_intersect_1): Likewise.
2747         (dump_sa_points_to_info): Check some invariants.
2748         (solve_constraints): Move constraint dumping ...
2749         (compute_points_to_sets): ... here.
2750         (ipa_pta_execute): ... and here.
2751         (compute_may_aliases): Do not re-compute points-to info
2752         locally if IPA info is available.
2753         (ipa_escaped_pt): New global var.
2754         (ipa_pta_execute): Properly implement IPA PTA.
2755         * tree-into-ssa.c (dump_decl_set): Support dumping
2756         decls not in referenced-vars.
2757         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2758         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2759         (dump_points_to_solution): Likewise.
2760         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2761         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2762         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2763         (copy_decl_to_var): Copy DECL_PT_UID.
2764         (copy_result_decl_to_var): Likewise.
2765         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2766         (copy_node_stat): Copy it.
2767         * tree.h (DECL_PT_UID): New macro.
2768         (SET_DECL_PT_UID): Likewise.
2769         (DECL_PT_UID_SET_P): Likewise.
2770         (struct tree_decl_minimal): Add pt_uid member.
2771         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2772         (pt_solution_empty_p): Declare.
2773         (pt_solution_set): Adjust.
2774         (ipa_escaped_pt): Declare.
2775         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2776         * gimple-pretty-print.c (pp_points_to_solution): New function.
2777         (dump_gimple_call): Dump call clobber/use information.
2778         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2779         * tree-pass.h (TDF_ALIAS): New dump option.
2780         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2781         * doc/invoke.texi (-fipa-pta): Update documentation.
2782
2783 2010-04-15  Richard Guenther  <rguenther@suse.de>
2784
2785         * Makefile.in (OBJS-common): Add gimple-fold.o.
2786         (gimple-fold.o): New rule.
2787         * tree.h (maybe_fold_offset_to_reference,
2788         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2789         prototypes ...
2790         * gimple.h: ... here.
2791         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2792         may_propagate_address_into_dereference): Move prototypes ...
2793         * gimple.h: ... here.
2794         * tree-ssa-ccp.c (get_symbol_constant_value,
2795         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2796         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2797         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2798         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2799         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2800         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2801         gimplify_and_update_call_from_tree): Move ...
2802         * gimple-fold.c: ... here.  New file.
2803         (ccp_fold_builtin): Rename to ...
2804         (gimple_fold_builtin): ... this.
2805         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2806
2807 2010-04-15  Richard Guenther  <rguenther@suse.de>
2808
2809         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2810         fit_double_type, force_fit_type_double, add_double_with_sign,
2811         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2812         lrotate_double, rrotate_double, div_and_round_double): Move ...
2813         * double-int.c: ... here.
2814         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2815         add_double, neg_double, mul_double_with_sign, mul_double,
2816         lshift_double, rshift_double, lrotate_double, rrotate_double,
2817         div_and_round_double): Move prototypes ...
2818         * double-int.h: ... here.
2819
2820 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2821
2822         PR target/43742
2823         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2824         matching constraints to ensure inputs match the output.
2825
2826 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2827
2828         PR target/43742
2829         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2830         in an input-only operand.
2831
2832 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2833
2834         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2835         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2836         (double_int_negative_p): Convert to static inline function.
2837         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2838         (double_int_negative_p): Remove.
2839         * tree.h (lshift_double, rshift_double):
2840         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2841         * fold-const.c (fold_convert_const_int_from_real,
2842         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2843         (lshift_double): Change type of arith argument to bool.
2844         (rshift_double): Change type of arith argument to bool. Correct
2845         comment.
2846         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2847
2848 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2849
2850         PR target/21803
2851         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2852         at the start and end of the then/else blocks, and omit them from the
2853         conversion.
2854         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2855         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2856         (flow_find_head_matching_sequence): New function.
2857         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2858         * basic-block.h (flow_find_cross_jump,
2859         flow_find_head_matching_sequence): Declare functions.
2860
2861 2010-04-14  Jason Merrill  <jason@redhat.com>
2862
2863         PR c++/36625
2864         * c-common.c (attribute_takes_identifier_p): New fn.
2865         * c-common.h: Declare it.
2866
2867 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2868
2869         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2870         splitter condition.
2871         (*udivmod<mode>4): Ditto.
2872
2873 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2874
2875         * config/i386/i386.md (maxmin_int): Rename code attribute from
2876         maxminiprefix and update all users.
2877         (maxmin_float): Ditto from maxminfprefix.
2878         (logic): Ditto from logicprefix.
2879         (absneg_mnemonic): Ditto from absnegprefix.
2880         * config/i386/mmx.md: Update all users of maxminiprefix,
2881         maxminfprefix and logicprefix for rename.
2882         * config/i386/sse.md: Ditto.
2883         * config/i386/sync.md (sync_<code><mode>): Update for
2884         logicprefix rename.
2885
2886 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2887
2888         PR 42966
2889         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2890         warnings converted to errors.
2891
2892 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2893
2894         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2895         used insn_type variable.
2896         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2897         to avoid set-but-not-used warning.
2898
2899 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2900
2901         * df-core.c (df_ref_debug): Change format string placeholder
2902         from 0x%x to %#x.
2903         * dwarf2asm.c (dw2_asm_output_data_raw,
2904         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2905         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2906         * dwarf2out.c (output_cfi, output_cfi_directive,
2907         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2908         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2909         Ditto.
2910         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2911         * print-rtl.c (print_rtx): Ditto.
2912
2913 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2914
2915         PR middle-end/42694
2916         * builtins.c (expand_builtin_pow_root): New function to expand pow
2917         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2918         series of sqrt and cbrt calls under -ffast-math.
2919         (expand_builtin_pow): Call it.
2920
2921 2010-04-14  Michael Matz  <matz@suse.de>
2922
2923         PR tree-optimization/42963
2924         * tree-cfg.c (touched_switch_bbs): New static variable.
2925         (group_case_labels_stmt): New function broken out from ...
2926         (group_case_labels): ... here, use the above.
2927         (start_recording_case_labels): Allocate touched_switch_bbs.
2928         (end_recording_case_labels): Deallocate it, call
2929         group_case_labels_stmt.
2930         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2931
2932 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2933
2934         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2935         from insn template.
2936
2937 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2938
2939         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2940
2941 2010-04-13  Jan Hubicka  <jh@suse.cz>
2942
2943         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2944         of optimized out static functions.
2945         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2946         cost computation.  Also sanity check for overflows.
2947         (update_caller_keys): Update cgraph_edge_badness call; properly
2948         update fibheap and sanity check that it is up to date.
2949         (add_new_edges_to_heap): Update cgraph_edge_badness.
2950         (cgraph_decide_inlining_of_small_function): Likewise;
2951         add sanity checking that badness in heap is up to date;
2952         improve dumping of reason; Update badness of calls to the
2953         offline copy of function currently inlined; dump badness
2954         of functions not inlined because of unit growth limits.
2955
2956 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2957
2958         PR middle-end/32628
2959         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2960         because of sign-extension change when converting to sizetype here...
2961         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2962
2963         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2964         the folding to constants.  Remove redundant final conversion.
2965         (fold_binary) <associate>: Do not associate if the re-association of
2966         constants alone overflows.
2967         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2968         to the end of the list.
2969         (multiple_of_p) <COND_EXPR>: New case.
2970
2971 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2972
2973         * opt-functions.awk (opt_sanitized_name): New.
2974         (opt_enum): New.
2975         * optc-gen.awk: Use it
2976         * opth-gen.awk: Use it.
2977
2978 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2979
2980         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2981         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2982         children.  Call replace_uses_with_default_def_ssa_name to handle
2983         SSA_NAES on lhs.
2984
2985 2010-04-13  Michael Matz  <matz@suse.de>
2986
2987         PR middle-end/43730
2988         * builtins.c (expand_builtin_interclass_mathfn): Also create
2989         a register if the predicate doesn't match.
2990
2991 2010-04-13  Diego Novillo  <dnovillo@google.com>
2992
2993         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2994         * c-pch.c: Include timevar.h.
2995         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2996         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2997         * ggc-common.c: Include timevar.h.
2998         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2999         * timevar.def (TV_PCH_SAVE): Define.
3000         (TV_PCH_CPP_SAVE): Define.
3001         (TV_PCH_PTR_REALLOC): Define.
3002         (TV_PCH_PTR_SORT): Define.
3003         (TV_PCH_RESTORE): Define.
3004         (TV_PCH_CPP_RESTORE): Define.
3005
3006 2010-04-13  Michael Matz  <matz@suse.de>
3007
3008         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3009         into MINUS_EXPRs.
3010         (can_reassociate_p): New function.
3011         (break_up_subtract_bb, reassociate_bb): Use it.
3012
3013 2010-04-13  Richard Guenther  <rguenther@suse.de>
3014
3015         PR bootstrap/43737
3016         * builtins.c (c_readstr): Fix assert.
3017
3018 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3019
3020         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3021         when generating cltd insn.
3022
3023         (*ashl<mode>3_1): Remove special handling for register operand 2.
3024         (*ashlsi3_1_zext): Ditto.
3025         (*ashlhi3_1): Ditto.
3026         (*ashlhi3_1_lea): Ditto.
3027         (*ashlqi3_1): Ditto.
3028         (*ashlqi3_1_lea): Ditto.
3029         (*<shiftrt_insn><mode>3_1): Ditto.
3030         (*<shiftrt_insn>si3_1_zext): Ditto.
3031         (*<shiftrt_insn>qi3_1_slp): Ditto.
3032         (*<rotate_insn><mode>3_1): Ditto.
3033         (*<rotate_insn>si3_1_zext): Ditto.
3034         (*<rotate_insn>qi3_1_slp): Ditto.
3035
3036 2010-04-13  Richard Guenther  <rguenther@suse.de>
3037
3038         * tree-ssa-structalias.c (callused_id): Remove.
3039         (call_stmt_vars): New.
3040         (get_call_vi): Likewise.
3041         (lookup_call_use_vi): Likewise.
3042         (lookup_call_clobber_vi): Likewise.
3043         (get_call_use_vi): Likewise.
3044         (get_call_clobber_vi): Likewise.
3045         (make_transitive_closure_constraints): Likewise.
3046         (handle_const_call): Adjust to do per-call call-used handling.
3047         (handle_pure_call): Likewise.
3048         (find_what_var_points_to): Remove general callused handling.
3049         (init_base_vars): Likewise.
3050         (init_alias_vars): Initialize call_stmt_vars.
3051         (compute_points_to_sets): Process call-used and call-clobbered
3052         vars for call statements.
3053         (delete_points_to_sets): Free call_stmt_vars.
3054
3055 2010-04-13  Richard Guenther  <rguenther@suse.de>
3056
3057         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3058         Only add RW dependence for dependence distance zero.
3059         Adjust maximal vectorization factor according to dependences.
3060         Move alignment handling ...
3061         (vect_find_same_alignment_drs): ... here.  New function.
3062         (vect_analyze_data_ref_dependences): Adjust.
3063         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3064         (vect_analyze_data_refs): Adjust minimal vectorization factor
3065         according to data references.
3066         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3067         dependences before determining the vectorization factor.
3068         Analyze alignment after determining the vectorization factor.
3069         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3070         dependences before alignment.
3071         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3072         Adjust prototype.
3073         (vect_analyze_data_refs): Likewise.
3074         (MAX_VECTORIZATION_FACTOR): New define.
3075
3076 2010-04-13  Duncan Sands  <baldrick@free.fr>
3077
3078         * except.h (lang_eh_type_covers): Remove.
3079         * except.c (lang_eh_type_covers): Likewise.
3080
3081 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3082             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3083
3084         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3085         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3086         UNITS_PER_LONG where it is ABI relevant.
3087         (s390_return_addr_rtx): Likewise.
3088         (s390_back_chain_rtx): Likewise.
3089         (s390_frame_area): Likewise.
3090         (s390_frame_info): Likewise.
3091         (s390_initial_elimination_offset): Likewise.
3092         (save_gprs): Likewise.
3093         (s390_emit_prologue): Likewise.
3094         (s390_emit_epilogue): Likewise.
3095         (s390_function_arg_advance): Likewise.
3096         (s390_function_arg): Likewise.
3097         (s390_va_start): Likewise.
3098         (s390_gimplify_va_arg): Likewise.
3099         (s390_function_profiler): Likewise.
3100         (s390_optimize_prologue): Likewise.
3101         (s390_rtx_costs): Likewise.
3102         (s390_secondary_reload): Likewise.
3103         (s390_promote_function_mode): Likewise.
3104         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3105         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3106         registers available.
3107         (s390_unwind_word_mode): New function.
3108         (s390_function_value): Split 64 bit values into register pair if
3109         used as return value.
3110         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3111         function call parameters.  Handle parallels.
3112         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3113         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3114         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3115         (s390_expand_setmem): Remove unused variable src_addr.
3116         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3117         deal with 64 bit registers.
3118         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3119         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3120         (UNITS_PER_LONG): New macro.
3121         * libjava/include/s390-signal.h: Define extended ucontext
3122         structure containing the upper halfs of the 64 bit registers.
3123
3124 2010-04-13  Simon Baldwin  <simonb@google.com>
3125
3126         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3127
3128 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3129
3130         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3131         rvalue on the RHS if the LHS is of a non-renamable type.
3132         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3133
3134 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3135
3136         * gcc.c (cc1_options): Handle -iplugindir before processing
3137         the cc1 spec. Only add -iplugindir once.
3138         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3139         found.
3140         * common.opt (iplugindir): Remove `Separate' property, initialize.
3141         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3142         option.
3143         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3144         (distclean): Remove plugin dir.
3145         * doc/invoke.texi: Document -iplugindir.
3146
3147 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3148
3149         * doc/plugins.texi (Loading Plugins): Document short
3150         -fplugin=foo option.
3151         (Plugin API): Mention default_plugin_dir_name function.
3152
3153         * gcc.c (find_file_spec_function): Add new declaration.
3154         (static_spec_func): Use it for "find-file".
3155         (find_file_spec_function): Add new function.
3156         (cc1_options): Add -iplugindir option if -fplugin* options found.
3157
3158         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3159
3160         * plugin.c (add_new_plugin): Updated comment, and handle short
3161         plugin name.
3162         (default_plugin_dir_name): Added new function.
3163
3164         * common.opt (iplugindir): New option to set the plugin directory.
3165
3166 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3167
3168         * config/i386/i386.md (any_rotate): New code iterator.
3169         (rotate_insn): New code attribute.
3170         (rotate): Ditto.
3171         (SWIM124): New mode iterator.
3172         (<rotate_insn>ti3): New expander.
3173         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3174         any_rotate code iterator.
3175         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3176         using any_rotate code iterator and SWIM124 mode iterator.
3177         (ix86_rotlti3): New insn_and_split pattern.
3178         (ix86_rotrti3): Ditto.
3179         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3180         ix86_rotl{di,ti}3 patterns.
3181         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3182         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3183         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3184         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3185         code iterator and SWI mode iterator.
3186         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3187         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3188         code iterator.
3189         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3190         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3191         (bswap rotatert splitter): Add splitter.
3192         (bswap splitter): Macroize splitter using any_rotate code iterator.
3193         Add insn predicate to split only for TARGET_USE_XCHGB or when
3194         optimizing function for size.
3195
3196 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3197
3198         * config/pa/pa.c (emit_move_sequence): Remove use of
3199         deleted variable flag_argument_noalias.
3200
3201 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3202
3203         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3204         configurations.
3205         Add to unsupported targets list.
3206         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3207         sparc*-sun-solaris2.[567]* from target lists.
3208         * configure: Regenerate.
3209         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3210         removal.
3211         Remove Solaris 7 patch references.
3212         (Specific, sparc-sun-solaris2.7): Removed.
3213         (sparc-sun-solaris2*): Update Solaris 7 example.
3214         (sparc64-*-solaris2*): Likewise.
3215
3216 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3217
3218         * config.build (alpha*-dec-osf4*): Remove.
3219         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3220         of obsolete configurations.
3221         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3222         support.
3223         * config/alpha/t-osf4: Renamed to ...
3224         * config/alpha/t-osf5: ... this.
3225         * config/alpha/osf.h: Renamed to ...
3226         * config/alpha/osf5.h: ... this.
3227         Merged old osf5.h contents.
3228         Update comments.
3229         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3230         (EXTRA_SPECS): Removed.
3231         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3232         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3233         Document that.
3234
3235 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3236
3237         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3238
3239 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3240
3241         PR/43702
3242         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3243         __thiscall convention.
3244
3245 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3246
3247         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3248         orig_base.
3249         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3250
3251 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3252
3253         * function.c (assign_parms_initialize_all): Add unused attribute
3254         to fntype.
3255
3256 2010-04-12  Richard Guenther  <rguenther@suse.de>
3257
3258         * gsstruct.def (GSS_CALL): New.
3259         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3260         * gimple.h: Include tree-ssa-alias.h.
3261         (struct gimple_statement_call): New.
3262         (union gimple_statement_struct_d): Add gimple_call member.
3263         (gimple_call_reset_alias_info): Declare.
3264         (gimple_call_use_set): New function.
3265         (gimple_call_clobber_set): Likewise.
3266         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3267         * gimple.c (gimple_call_reset_alias_info): New function.
3268         (gimple_build_call_1): Call it.
3269         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3270         * tree-inline.c (remap_gimple_stmt): Likewise.
3271         (expand_call_inline): Remove callused handling.
3272         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3273         * tree-dfa.c (dump_variable): Likewise.
3274         * tree-parloops.c (parallelize_loops): Likewise.
3275         * tree-ssa.c (init_tree_ssa): Likewise.
3276         (delete_tree_ssa): Likewise.
3277         * tree-flow-inline.h (is_call_used): Remove.
3278         * tree-flow.h (struct gimple_df): Remove callused member.
3279         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3280         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3281         (ref_maybe_used_by_call_p_1): Simplify.
3282         (call_may_clobber_ref_p_1): Likewise.
3283         * tree-ssa-structalias.c (compute_points_to_sets): Set
3284         the call stmt used and clobbered sets.
3285         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3286         (find_tail_calls): Verify the tail call.
3287
3288 2010-04-12  Richard Guenther  <rguenther@suse.de>
3289
3290         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3291         single-iteration always-inline inlining.
3292         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3293         (cgraph_decide_inlining): Do not handle always-inline specially.
3294         (try_inline): Remove always-inline cycle detection special case.
3295         Do not recurse on always-inlines.
3296         (cgraph_early_inlining): Do not iterate if not optimizing.
3297         (cgraph_gate_early_inlining): remove.
3298         (pass_early_inline): Run unconditionally.
3299         (gate_cgraph_decide_inlining): New function.
3300         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3301         not inlining or optimizing.
3302         (cgraph_decide_inlining_of_small_functions): Also consider
3303         always-inline functions.
3304         (cgraph_default_inline_p): Return true for nodes which should
3305         disregard inline limits.
3306         (estimate_function_body_sizes): Assume zero size and time for
3307         nodes which are marked as disregarding inline limits.
3308         (cgraph_decide_recursive_inlining): Do not perform recursive
3309         inlining on always-inline nodes.
3310
3311 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3312
3313         PR bootstrap/43699
3314         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3315         for exprs satisfying handled_component_p.
3316
3317 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3318
3319         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3320         non-constant aggregate elements.
3321
3322         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3323         is a real initialization.
3324
3325 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3326
3327         PR c/36774
3328         * c-decl.c (start_function): Move forward check for nested function.
3329
3330 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3331
3332         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3333         * config/sh/sh.c: Include reload.h.
3334         (sh_legitimize_reload_address): New.
3335         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3336         sh_legitimize_reload_address.
3337
3338 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3339
3340         * config/sh/sh.md (*movqi_pop): New insn pattern.
3341         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3342
3343 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3344
3345         * config/i386/i386.md (any_shiftrt): New code iterator.
3346         (shiftrt_insn): New code attribute.
3347         (shiftrt): Ditto.
3348         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3349         using any_shiftrt code iterator.
3350         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3351         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3352         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3353         pattern from corresponding peephole2 patterns.
3354         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3355         using any_shiftrt code iterator.
3356         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3357         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3358         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3359         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3360         *{ashr,lshr}<mode>3_cmp_zext.
3361         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3362
3363 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3364
3365         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3366         scratch register.
3367         (*lshr<mode>3_cconly): Ditto.
3368
3369 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3370
3371         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3372         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3373         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3374         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3375         DWI mode iterator.
3376         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3377         from corresponding peephole2 patterns.
3378         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3379         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3380         and *lshrdi3_1_rex64 using SWI mode iterator.
3381         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3382         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3383         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3384         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3385         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3386         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3387         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3388         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3389         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3390         SWI mode iterator.
3391
3392 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3393
3394         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3395         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3396         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3397         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3398         DWI mode iterator.
3399         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3400         from corresponding peephole2 patterns.
3401         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3402         (ashrsi3_cvt): Rename from ashrsi3_31.
3403         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3404         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3405         and x86_64_shift_adj_3 using SWI48 mode iterator.
3406         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3407         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3408         and *ashrdi3_1_rex64 using SWI mode iterator.
3409         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3410         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3411         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3412         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3413         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3414         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3415         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3416         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3417         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3418         SWI mode iterator.
3419         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3420         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3421         x86_shift<mode>_adj_3 expanders.
3422
3423 2010-04-10  Wei Guozhi  <carrot@google.com>
3424
3425         PR target/42601
3426